TelcoData.US: Search for Area Codes / Exchanges owned by Company in State

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npa-nxx	State	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
227-233 is split into 1,000-number blocks - detail below
227-233-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	06/20/2024	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
227-236 is split into 1,000-number blocks - detail below
227-236-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	03/27/2024	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
227-271 is split into 1,000-number blocks - detail below
227-271-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	02/14/2025	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-204 is split into 1,000-number blocks - detail below
240-204-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	01/16/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-205 is split into 1,000-number blocks - detail below
240-205-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	12/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-205-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	12/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-206 is split into 1,000-number blocks - detail below
240-206-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	NOCLLIKNOWN	02/05/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-207 is split into 1,000-number blocks - detail below
240-207-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS236	NOCLLIKNOWN	02/23/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-215	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-215 is split into 1,000-number blocks - detail below
240-215-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-215-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-215-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	01/26/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-215-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	05/17/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-215-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-215-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-229	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-229 is split into 1,000-number blocks - detail below
240-229-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-230	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HUGHESVL	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-230 is split into 1,000-number blocks - detail below
240-230-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HUGHESVL	WASJDCDCDS0	12/05/2005	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-232	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-232 is split into 1,000-number blocks - detail below
240-232-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-233 is split into 1,000-number blocks - detail below
240-233-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOMPKINSVL	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-233-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOMPKINSVL	NOCLLIKNOWN	02/15/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-236 is split into 1,000-number blocks - detail below
240-236-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	01/13/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-240 is split into 1,000-number blocks - detail below
240-240-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS240	NOCLLIKNOWN	10/18/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-241 is split into 1,000-number blocks - detail below
240-241-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	NOCLLIKNOWN	11/21/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-249 is split into 1,000-number blocks - detail below
240-249-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MECHANCSVL	NOCLLIKNOWN	02/06/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-249-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MECHANCSVL	NOCLLIKNOWN	08/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-252	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-252 is split into 1,000-number blocks - detail below
240-252-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	02/18/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-252-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	01/10/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-252-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	02/18/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-252-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-252-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	02/18/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-252-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	02/18/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-252-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	02/18/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-256 is split into 1,000-number blocks - detail below
240-256-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LEONARDTN	NOCLLIKNOWN	02/06/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-257 is split into 1,000-number blocks - detail below
240-257-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NANJEMOY	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-257-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NANJEMOY	NOCLLIKNOWN	11/08/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-258 is split into 1,000-number blocks - detail below
240-258-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	RIDGE	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-258-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	RIDGE	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-267 is split into 1,000-number blocks - detail below
240-267-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	NOCLLIKNOWN	08/22/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-273	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-273 is split into 1,000-number blocks - detail below
240-273-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-284	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FROSTBURG	FRDRMDFRXMD	11/01/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-284 is split into 1,000-number blocks - detail below
240-284-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FROSTBURG	FRDRMDFRXMD	01/18/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-284-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FROSTBURG	FRDRMDFRXMD	07/03/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-289 is split into 1,000-number blocks - detail below
240-289-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-292 is split into 1,000-number blocks - detail below
240-292-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	NOCLLIKNOWN	02/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-292-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	NOCLLIKNOWN	02/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-292-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	NOCLLIKNOWN	12/23/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-292-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	NOCLLIKNOWN	03/29/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-293 is split into 1,000-number blocks - detail below
240-293-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN12	NOCLLIKNOWN	12/20/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-293-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN12	NOCLLIKNOWN	12/20/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-293-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN12	NOCLLIKNOWN	01/23/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-293-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN12	NOCLLIKNOWN	03/13/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-293-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN12	NOCLLIKNOWN	06/16/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-297	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-297 is split into 1,000-number blocks - detail below
240-297-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	12/20/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-297-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	12/20/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-297-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	02/21/2013	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-297-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	12/27/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-297-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-297-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	12/27/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-297-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	05/28/2010	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-297-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	02/29/2012	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-297-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	09/29/2014	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-307 is split into 1,000-number blocks - detail below
240-307-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EMMITSBURG	FRDRMDFRXKX	09/22/2016	Prefix Type: CLEC Switch Name: FREDERICK Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXKX))
240-308 is split into 1,000-number blocks - detail below
240-308-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS236	NOCLLIKNOWN	11/09/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-309 is split into 1,000-number blocks - detail below
240-309-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LEONARDTN	NOCLLIKNOWN	11/07/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-312 is split into 1,000-number blocks - detail below
240-312-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	NOCLLIKNOWN	11/14/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-312-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	NOCLLIKNOWN	11/14/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-317 is split into 1,000-number blocks - detail below
240-317-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LXTNPKGRML	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-317-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LXTNPKGRML	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-329	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	FRDRMDFRXMD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-329 is split into 1,000-number blocks - detail below
240-329-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	FRDRMDFRXMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-329-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	FRDRMDFRXMD	03/21/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-329-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	FRDRMDFRXMD	03/21/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-329-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	FRDRMDFRXMD	05/17/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-329-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	FRDRMDFRXMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-334	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-334 is split into 1,000-number blocks - detail below
240-334-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-334-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-342 is split into 1,000-number blocks - detail below
240-342-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	NOCLLIKNOWN	05/31/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-345	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON238	BLTMMDSN6MD	03/09/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
240-345 is split into 1,000-number blocks - detail below
240-345-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON238	BLTMMDSN6MD	08/08/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
240-345-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON238	BLTMMDSN6MD	08/01/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
240-345-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON238	BLTMMDSN6MD	07/08/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
240-348	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-348 is split into 1,000-number blocks - detail below
240-348-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-348-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	MCLNVA23DS4	12/21/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-348-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	MCLNVA23DS4	09/15/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-356	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MYERSVILLE	FRDRMDFRXMD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-356 is split into 1,000-number blocks - detail below
240-356-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MYERSVILLE	FRDRMDFRXMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-356-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MYERSVILLE	FRDRMDFRXMD	06/23/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-356-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MYERSVILLE	FRDRMDFRXMD	05/17/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-374	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-374 is split into 1,000-number blocks - detail below
240-374-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-374-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-377	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	INDIANHEAD	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-377 is split into 1,000-number blocks - detail below
240-377-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	INDIANHEAD	WASJDCDCDS0	02/06/2006	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-377-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	INDIANHEAD	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-380 is split into 1,000-number blocks - detail below
240-380-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	01/15/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-380-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	01/15/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-392 is split into 1,000-number blocks - detail below
240-392-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	NOCLLIKNOWN	12/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-392-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	NOCLLIKNOWN	12/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-393 is split into 1,000-number blocks - detail below
240-393-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	12/23/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-394 is split into 1,000-number blocks - detail below
240-394-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MOUNT AIRY	NOCLLIKNOWN	03/03/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-396	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-396 is split into 1,000-number blocks - detail below
240-396-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-396-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-396-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-398 is split into 1,000-number blocks - detail below
240-398-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	03/08/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-407	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-407 is split into 1,000-number blocks - detail below
240-407-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-415 is split into 1,000-number blocks - detail below
240-415-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	08/08/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-425 is split into 1,000-number blocks - detail below
240-425-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-428 is split into 1,000-number blocks - detail below
240-428-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	03/23/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-428-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	08/31/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-434	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LEONARDTN	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-434 is split into 1,000-number blocks - detail below
240-434-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LEONARDTN	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-434-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LEONARDTN	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-436	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BUCKEYSTN	FRDRMDFRXMD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-436 is split into 1,000-number blocks - detail below
240-436-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BUCKEYSTN	FRDRMDFRXMD	07/25/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-436-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BUCKEYSTN	FRDRMDFRXMD	10/27/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-436-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BUCKEYSTN	FRDRMDFRXMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-439 is split into 1,000-number blocks - detail below
240-439-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	04/15/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-439-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	08/03/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-442 is split into 1,000-number blocks - detail below
240-442-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	OAKLAND	NOCLLIKNOWN	01/22/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-449 is split into 1,000-number blocks - detail below
240-449-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	NOCLLIKNOWN	04/11/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-449-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	NOCLLIKNOWN	04/11/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-450 is split into 1,000-number blocks - detail below
240-450-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	03/08/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-452 is split into 1,000-number blocks - detail below
240-452-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	NOCLLIKNOWN	12/14/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-455 is split into 1,000-number blocks - detail below
240-455-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	NOCLLIKNOWN	12/27/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-455-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	NOCLLIKNOWN	12/23/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-455-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	NOCLLIKNOWN	12/27/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-466 is split into 1,000-number blocks - detail below
240-466-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MECHANCSVL	NOCLLIKNOWN	11/07/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-469 is split into 1,000-number blocks - detail below
240-469-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	NOCLLIKNOWN	04/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-478 is split into 1,000-number blocks - detail below
240-478-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	12/29/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-482 is split into 1,000-number blocks - detail below
240-482-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	12/01/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-483 is split into 1,000-number blocks - detail below
240-483-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	12/23/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-489 is split into 1,000-number blocks - detail below
240-489-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	POOLESVL	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-491	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-491 is split into 1,000-number blocks - detail below
240-491-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-491-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-492 is split into 1,000-number blocks - detail below
240-492-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	NOCLLIKNOWN	08/16/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-493 is split into 1,000-number blocks - detail below
240-493-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-495 is split into 1,000-number blocks - detail below
240-495-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	NOCLLIKNOWN	06/10/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-512 is split into 1,000-number blocks - detail below
240-512-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG238Z13	BLTMMDDN2MD	05/28/2014	Prefix Type: CLEC Switch Name: GLENBURNIE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDDN2MD))
240-513 is split into 1,000-number blocks - detail below
240-513-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	NOCLLIKNOWN	10/24/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-513-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	NOCLLIKNOWN	07/08/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-523 is split into 1,000-number blocks - detail below
240-523-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LA PLATA	NOCLLIKNOWN	06/20/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-523-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LA PLATA	NOCLLIKNOWN	02/10/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-528	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HUGHESVL	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-528 is split into 1,000-number blocks - detail below
240-528-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HUGHESVL	MCLNVA23DS4	02/10/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-547	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-547 is split into 1,000-number blocks - detail below
240-547-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	06/20/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-547-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	06/20/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-547-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-547-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	06/20/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-547-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-547-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	06/20/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-560 is split into 1,000-number blocks - detail below
240-560-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN12	NOCLLIKNOWN	02/05/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-560-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN12	NOCLLIKNOWN	01/23/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-561 is split into 1,000-number blocks - detail below
240-561-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LEONARDTN	NOCLLIKNOWN	03/11/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-565 is split into 1,000-number blocks - detail below
240-565-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL238	NOCLLIKNOWN	08/01/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-566 is split into 1,000-number blocks - detail below
240-566-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	08/27/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-566-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	08/27/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-566-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	08/17/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-569 is split into 1,000-number blocks - detail below
240-569-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FLINTSTONE	FRDRMDFRXKX	10/04/2017	Prefix Type: CLEC Switch Name: FREDERICK Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXKX))
240-573	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-573 is split into 1,000-number blocks - detail below
240-573-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	WASJDCDCDS0	05/16/2012	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-574 is split into 1,000-number blocks - detail below
240-574-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FRIENDSVL	NOCLLIKNOWN	10/13/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-575	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	12/30/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-575 is split into 1,000-number blocks - detail below
240-575-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	06/21/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-575-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	07/17/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-575-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	07/17/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-575-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	01/04/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-575-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	FRDRMDFRXMD	01/04/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-580 is split into 1,000-number blocks - detail below
240-580-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CUMBERLAND	NOCLLIKNOWN	03/21/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-580-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CUMBERLAND	NOCLLIKNOWN	03/21/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-581 is split into 1,000-number blocks - detail below
240-581-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	NOCLLIKNOWN	08/03/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-591 is split into 1,000-number blocks - detail below
240-591-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	NOCLLIKNOWN	02/20/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-594 is split into 1,000-number blocks - detail below
240-594-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BITTINGER	NOCLLIKNOWN	01/23/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-599	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-599 is split into 1,000-number blocks - detail below
240-599-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-599-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-599-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-599-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-599-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-599-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-599-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-607	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-607 is split into 1,000-number blocks - detail below
240-607-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-608 is split into 1,000-number blocks - detail below
240-608-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	01/22/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-614 is split into 1,000-number blocks - detail below
240-614-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	07/25/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-616 is split into 1,000-number blocks - detail below
240-616-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	NOCLLIKNOWN	11/07/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-617 is split into 1,000-number blocks - detail below
240-617-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HIGHFIELD	FRDRMDFRXKX	09/22/2016	Prefix Type: CLEC Switch Name: FREDERICK Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXKX))
240-627	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-627 is split into 1,000-number blocks - detail below
240-627-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-627-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-637 is split into 1,000-number blocks - detail below
240-637-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	07/20/2018	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-637-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	07/20/2018	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-637-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	07/20/2018	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-637-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	07/20/2018	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-637-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	07/20/2018	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-638	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-638 is split into 1,000-number blocks - detail below
240-638-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-638-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-638-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-638-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-638-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-638-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-647 is split into 1,000-number blocks - detail below
240-647-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CLEAR SPG	NOCLLIKNOWN	05/28/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-648 is split into 1,000-number blocks - detail below
240-648-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	KEEDYSVL	NOCLLIKNOWN	05/28/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-650 is split into 1,000-number blocks - detail below
240-650-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	02/06/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-650-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	01/30/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-651 is split into 1,000-number blocks - detail below
240-651-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	08/05/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-651-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	09/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-651-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	10/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-654 is split into 1,000-number blocks - detail below
240-654-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	NOCLLIKNOWN	05/05/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-654-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	NOCLLIKNOWN	05/05/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-655 is split into 1,000-number blocks - detail below
240-655-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	KITZMILLER	NOCLLIKNOWN	08/22/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-667	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-667 is split into 1,000-number blocks - detail below
240-667-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-667-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-667-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-667-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	WASJDCDCDS0	06/21/2007	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-667-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-668 is split into 1,000-number blocks - detail below
240-668-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS236	NOCLLIKNOWN	05/06/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-669 is split into 1,000-number blocks - detail below
240-669-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	NOCLLIKNOWN	01/31/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-669-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	NOCLLIKNOWN	06/21/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-681 is split into 1,000-number blocks - detail below
240-681-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRANDYWINE	NOCLLIKNOWN	05/31/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-681-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRANDYWINE	NOCLLIKNOWN	10/10/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-684 is split into 1,000-number blocks - detail below
240-684-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	NOCLLIKNOWN	07/27/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-685	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRANDYWINE	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-685 is split into 1,000-number blocks - detail below
240-685-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRANDYWINE	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-691	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-691 is split into 1,000-number blocks - detail below
240-691-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-692	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GRANTSVL	FRDRMDFRXMD	05/30/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-692 is split into 1,000-number blocks - detail below
240-692-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GRANTSVL	FRDRMDFRXMD	05/30/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-693 is split into 1,000-number blocks - detail below
240-693-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALKERSVL	NOCLLIKNOWN	11/25/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-696	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-696 is split into 1,000-number blocks - detail below
240-696-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	MCLNVA23DS4	03/13/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-696-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	MCLNVA23DS4	03/13/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-696-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	MCLNVA23DS4	04/19/2007	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-696-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	MCLNVA23DS4	02/03/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-696-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-696-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	MCLNVA23DS4	03/08/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-696-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	MCLNVA23DS4	03/08/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-696-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	MCLNVA23DS4	03/08/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-708	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL238	BLTMMDSN6MD	06/08/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
240-708 is split into 1,000-number blocks - detail below
240-708-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL238	BLTMMDSN6MD	11/07/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
240-715	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-715 is split into 1,000-number blocks - detail below
240-715-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-715-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-715-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-720	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-720 is split into 1,000-number blocks - detail below
240-720-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-720-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	WASJDCDCDS0	11/20/2007	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-720-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-720-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-724 is split into 1,000-number blocks - detail below
240-724-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	NOCLLIKNOWN	12/01/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-724-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	NOCLLIKNOWN	03/08/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-724-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	NOCLLIKNOWN	12/23/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-724-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	NOCLLIKNOWN	03/08/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-724-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	NOCLLIKNOWN	04/07/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-734 is split into 1,000-number blocks - detail below
240-734-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SMITHSBURG	FRDRMDFRXKX	09/23/2016	Prefix Type: CLEC Switch Name: FREDERICK Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXKX))
240-743 is split into 1,000-number blocks - detail below
240-743-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	04/17/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-743-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	08/10/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-744	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-744 is split into 1,000-number blocks - detail below
240-744-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-744-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-744-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-744-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-744-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-744-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-747 is split into 1,000-number blocks - detail below
240-747-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	NOCLLIKNOWN	06/21/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-750 is split into 1,000-number blocks - detail below
240-750-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	NOCLLIKNOWN	09/05/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-751	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-751 is split into 1,000-number blocks - detail below
240-751-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-751-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	12/23/2002	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-751-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	05/11/2007	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-752	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-752 is split into 1,000-number blocks - detail below
240-752-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-752-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	02/23/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-752-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	02/23/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-752-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	01/30/2008	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-752-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	08/31/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-753	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-753 is split into 1,000-number blocks - detail below
240-753-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	02/13/2013	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-753-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	04/17/2013	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-754	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	11/11/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-754 is split into 1,000-number blocks - detail below
240-754-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	11/14/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-759 is split into 1,000-number blocks - detail below
240-759-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG238Z15	NOCLLIKNOWN	10/03/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-762 is split into 1,000-number blocks - detail below
240-762-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	06/24/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-762-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	06/10/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-764 is split into 1,000-number blocks - detail below
240-764-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	NOCLLIKNOWN	12/23/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-766 is split into 1,000-number blocks - detail below
240-766-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	NOCLLIKNOWN	02/18/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-767 is split into 1,000-number blocks - detail below
240-767-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-767-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-770 is split into 1,000-number blocks - detail below
240-770-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-770-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-772 is split into 1,000-number blocks - detail below
240-772-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	09/13/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-772-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FREDERICK	NOCLLIKNOWN	05/28/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-774 is split into 1,000-number blocks - detail below
240-774-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LONACONING	FRDRMDFRXKX	09/26/2016	Prefix Type: CLEC Switch Name: FREDERICK Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXKX))
240-775 is split into 1,000-number blocks - detail below
240-775-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WESTERNPT	NOCLLIKNOWN	05/28/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-776	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LA PLATA	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-776 is split into 1,000-number blocks - detail below
240-776-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LA PLATA	MCLNVA23DS4	05/06/2008	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-780	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-780 is split into 1,000-number blocks - detail below
240-780-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-780-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-786	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-786 is split into 1,000-number blocks - detail below
240-786-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-786-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-786-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-786-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-787	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRANDYWINE	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-787 is split into 1,000-number blocks - detail below
240-787-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRANDYWINE	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-788	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-788 is split into 1,000-number blocks - detail below
240-788-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-788-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN5	MCLNVA23DS4	04/13/2012	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-790	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-790 is split into 1,000-number blocks - detail below
240-790-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-790-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-790-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-790-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z13	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-794	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LXTNPKGRML	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-794 is split into 1,000-number blocks - detail below
240-794-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LXTNPKGRML	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-803 is split into 1,000-number blocks - detail below
240-803-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CUMBERLAND	NOCLLIKNOWN	12/24/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-812	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	POOLESVL	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-812 is split into 1,000-number blocks - detail below
240-812-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	POOLESVL	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
240-821 is split into 1,000-number blocks - detail below
240-821-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	12/29/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-821-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	12/29/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-822 is split into 1,000-number blocks - detail below
240-822-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NEW MARKET	NOCLLIKNOWN	09/20/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-839 is split into 1,000-number blocks - detail below
240-839-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	05/28/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-839-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	04/02/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-855 is split into 1,000-number blocks - detail below
240-855-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	01/22/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-862 is split into 1,000-number blocks - detail below
240-862-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MT SAVAGE	FRDRMDFRXKX	09/26/2016	Prefix Type: CLEC Switch Name: FREDERICK Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXKX))
240-865	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG238Z14	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
240-865 is split into 1,000-number blocks - detail below
240-865-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG238Z14	BLTMMDSN6MD	08/01/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
240-874 is split into 1,000-number blocks - detail below
240-874-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	THURMONT	NOCLLIKNOWN	06/09/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-880	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-880 is split into 1,000-number blocks - detail below
240-880-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-880-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-880-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-883	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-883 is split into 1,000-number blocks - detail below
240-883-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-891	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS240	FRDRMDFRXMD	12/10/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-891 is split into 1,000-number blocks - detail below
240-891-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS240	FRDRMDFRXMD	12/10/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-891-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS240	FRDRMDFRXMD	06/20/2024	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-891-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS240	FRDRMDFRXMD	02/16/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-892	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-892 is split into 1,000-number blocks - detail below
240-892-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-897	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-897 is split into 1,000-number blocks - detail below
240-897-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-898	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-898 is split into 1,000-number blocks - detail below
240-898-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN4	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
240-920	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CUMBERLAND	FRDRMDFRXMD	05/03/2001	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-920 is split into 1,000-number blocks - detail below
240-920-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CUMBERLAND	FRDRMDFRXMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-934 is split into 1,000-number blocks - detail below
240-934-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MIDDLETOWN	NOCLLIKNOWN	10/03/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-949 is split into 1,000-number blocks - detail below
240-949-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	NOCLLIKNOWN	12/20/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-949-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	NOCLLIKNOWN	07/30/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-949-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	NOCLLIKNOWN	12/20/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-949-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	NOCLLIKNOWN	04/07/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
240-979	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CUMBERLAND	FRDRMDFRXMD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-979 is split into 1,000-number blocks - detail below
240-979-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CUMBERLAND	FRDRMDFRXMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-979-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CUMBERLAND	FRDRMDFRXMD	05/12/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-979-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CUMBERLAND	FRDRMDFRXMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
240-996	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRUNSWICK	FRDRMDFRXKX	10/17/2016	Prefix Type: CLEC Switch Name: FREDERICK Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXKX))
240-996 is split into 1,000-number blocks - detail below
240-996-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRUNSWICK	FRDRMDFRXKX	10/18/2016	Prefix Type: CLEC Switch Name: FREDERICK Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXKX))
240-998 is split into 1,000-number blocks - detail below
240-998-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HANCOCK	NOCLLIKNOWN	05/28/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-200 is split into 1,000-number blocks - detail below
301-200-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	INDIANHEAD	NOCLLIKNOWN	03/28/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-223 is split into 1,000-number blocks - detail below
301-223-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WILLIAMSPT	NOCLLIKNOWN	09/22/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-234 is split into 1,000-number blocks - detail below
301-234-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN16	NOCLLIKNOWN	05/06/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-256 is split into 1,000-number blocks - detail below
301-256-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	NOCLLIKNOWN	11/06/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-273 is split into 1,000-number blocks - detail below
301-273-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	02/03/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-298 is split into 1,000-number blocks - detail below
301-298-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	NOCLLIKNOWN	03/03/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-328 is split into 1,000-number blocks - detail below
301-328-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	11/15/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-328-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	10/26/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-355 is split into 1,000-number blocks - detail below
301-355-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	NOCLLIKNOWN	09/30/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-355-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	NOCLLIKNOWN	11/02/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-355-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	NOCLLIKNOWN	01/03/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-358	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-358 is split into 1,000-number blocks - detail below
301-358-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-358-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-358-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-358-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	MCLNVA23DS4	12/20/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-358-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	MCLNVA23DS4	02/28/2003	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-358-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	MCLNVA23DS4	12/20/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-358-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	MCLNVA23DS4	08/31/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-358-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-363	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS240	FRDRMDFRXMD	08/16/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
301-363 is split into 1,000-number blocks - detail below
301-363-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS240	FRDRMDFRXMD	11/14/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
301-363-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS240	FRDRMDFRXMD	10/05/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
301-363-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS240	FRDRMDFRXMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
301-407 is split into 1,000-number blocks - detail below
301-407-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GAITHERSBG	NOCLLIKNOWN	09/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-476 is split into 1,000-number blocks - detail below
301-476-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	NOCLLIKNOWN	12/01/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-476-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	NOCLLIKNOWN	12/22/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-476-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	NOCLLIKNOWN	02/28/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-476-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	NOCLLIKNOWN	12/22/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-476-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	NOCLLIKNOWN	12/22/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-533 is split into 1,000-number blocks - detail below
301-533-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	OAKLAND	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-547 is split into 1,000-number blocks - detail below
301-547-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	05/10/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-557	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	09/06/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-557 is split into 1,000-number blocks - detail below
301-557-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	09/16/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-557-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	09/16/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-557-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	09/16/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-557-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	09/16/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-557-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	09/16/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-557-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	09/16/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-557-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	09/16/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-557-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	09/16/2011	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-563 is split into 1,000-number blocks - detail below
301-563-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	11/20/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-579 is split into 1,000-number blocks - detail below
301-579-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRANDYWINE	NOCLLIKNOWN	12/20/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-579-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRANDYWINE	NOCLLIKNOWN	02/28/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-579-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRANDYWINE	NOCLLIKNOWN	12/01/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-605 is split into 1,000-number blocks - detail below
301-605-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	12/21/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-637	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-637 is split into 1,000-number blocks - detail below
301-637-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	12/01/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-637-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	03/13/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-637-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	03/13/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-637-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-637-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	03/08/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-637-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	03/08/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-637-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	03/08/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-637-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	MCLNVA23DS4	05/19/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-658 is split into 1,000-number blocks - detail below
301-658-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	NOCLLIKNOWN	12/22/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-658-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	NOCLLIKNOWN	12/22/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-658-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	NOCLLIKNOWN	12/22/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-658-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	NOCLLIKNOWN	12/22/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-658-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	NOCLLIKNOWN	12/22/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-658-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ASHTON236	NOCLLIKNOWN	12/22/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-664 is split into 1,000-number blocks - detail below
301-664-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	04/30/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-684 is split into 1,000-number blocks - detail below
301-684-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	INDIANHEAD	NOCLLIKNOWN	02/18/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-685 is split into 1,000-number blocks - detail below
301-685-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS236	NOCLLIKNOWN	02/28/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-685-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS236	NOCLLIKNOWN	12/20/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-685-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS236	NOCLLIKNOWN	12/20/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-703	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MOUNT AIRY	FRDRMDFRXMD	08/29/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
301-703 is split into 1,000-number blocks - detail below
301-703-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MOUNT AIRY	FRDRMDFRXMD	04/24/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
301-703-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MOUNT AIRY	FRDRMDFRXMD	01/18/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
301-710	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	12/30/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-710 is split into 1,000-number blocks - detail below
301-710-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	10/05/2007	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-710-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	11/20/2007	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-710-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	01/05/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-710-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	01/05/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-710-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	10/16/2007	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-715 is split into 1,000-number blocks - detail below
301-715-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z15	NOCLLIKNOWN	09/29/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-741	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-741 is split into 1,000-number blocks - detail below
301-741-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LAUREL236	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-745 is split into 1,000-number blocks - detail below
301-745-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAGERSTOWN	NOCLLIKNOWN	03/23/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-754 is split into 1,000-number blocks - detail below
301-754-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	09/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-755 is split into 1,000-number blocks - detail below
301-755-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	10/16/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-760	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	02/27/2002	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-760 is split into 1,000-number blocks - detail below
301-760-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	06/21/2007	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-760-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	02/05/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-760-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-760-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	MCLNVA23DS4	02/05/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-761	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	MCLNVA23DS4	02/27/2002	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-761 is split into 1,000-number blocks - detail below
301-761-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	MCLNVA23DS4	12/20/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-761-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	MCLNVA23DS4	03/26/2014	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-761-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	MCLNVA23DS4	12/20/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-761-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-761-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN11	MCLNVA23DS4	01/28/2014	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-768	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	02/27/2002	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-768 is split into 1,000-number blocks - detail below
301-768-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-786 is split into 1,000-number blocks - detail below
301-786-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MCCOOLE	FRDRMDFRXKX	09/26/2016	Prefix Type: CLEC Switch Name: FREDERICK Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXKX))
301-798 is split into 1,000-number blocks - detail below
301-798-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS240	NOCLLIKNOWN	10/10/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-798-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DAMASCS240	NOCLLIKNOWN	01/07/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-825 is split into 1,000-number blocks - detail below
301-825-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	11/28/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-825-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	11/28/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-825-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	11/28/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-828 is split into 1,000-number blocks - detail below
301-828-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-830 is split into 1,000-number blocks - detail below
301-830-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	12/20/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-830-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	12/20/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-830-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	08/01/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-830-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	02/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-841 is split into 1,000-number blocks - detail below
301-841-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	06/21/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-841-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	07/13/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-841-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN2	NOCLLIKNOWN	07/17/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-844 is split into 1,000-number blocks - detail below
301-844-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN3	NOCLLIKNOWN	05/28/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-850	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-850 is split into 1,000-number blocks - detail below
301-850-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	MCLNVA23DS4	03/30/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-850-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	MCLNVA23DS4	12/20/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-850-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	MCLNVA23DS4	12/20/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-850-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	MCLNVA23DS4	01/23/2008	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-850-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	MCLNVA23DS4	05/23/2002	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-850-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	MCLNVA23DS4	09/10/2014	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-850-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	MCLNVA23DS4	03/28/2012	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-850-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNG236Z14	MCLNVA23DS4	07/21/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-859	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	OAKLAND	FRDRMDFRXMD	01/09/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
301-859 is split into 1,000-number blocks - detail below
301-859-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	OAKLAND	FRDRMDFRXMD	01/17/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
301-859-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	OAKLAND	FRDRMDFRXMD	04/28/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
301-861	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-861 is split into 1,000-number blocks - detail below
301-861-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	01/26/2005	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-861-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	09/15/2006	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-861-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WALDORF	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-862 is split into 1,000-number blocks - detail below
301-862-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LXTNPKGRML	NOCLLIKNOWN	01/22/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-876	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CUMBERLAND	FRDRMDFRXMD	05/02/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
301-876 is split into 1,000-number blocks - detail below
301-876-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CUMBERLAND	FRDRMDFRXMD	05/17/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Hagerstown MD (240) Tandem: N/A 🔧 Explore Switch(CLLI: FRDRMDFRXMD))
301-880	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LXTNPKGRML	MCLNVA23DS4	00/00/0000	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-880 is split into 1,000-number blocks - detail below
301-880-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LXTNPKGRML	MCLNVA23DS4	12/20/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-880-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LXTNPKGRML	MCLNVA23DS4	12/20/2004	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-880-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LXTNPKGRML	MCLNVA23DS4	N/A	Prefix Type: CLEC Switch Name: MCLEAN Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: MCLNVA23DS4))
301-917 is split into 1,000-number blocks - detail below
301-917-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	11/21/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-965 is split into 1,000-number blocks - detail below
301-965-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	NOCLLIKNOWN	03/28/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-965-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	NOCLLIKNOWN	03/28/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-965-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSHNGTNZN6	NOCLLIKNOWN	03/28/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-979 is split into 1,000-number blocks - detail below
301-979-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	11/28/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-979-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WSNGTNZN10	NOCLLIKNOWN	11/28/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
301-994 is split into 1,000-number blocks - detail below
301-994-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	LXTNPKGRML	NOCLLIKNOWN	06/10/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-202 is split into 1,000-number blocks - detail below
410-202-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SALISBURY	NOCLLIKNOWN	10/18/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-202-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SALISBURY	NOCLLIKNOWN	01/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-202-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SALISBURY	NOCLLIKNOWN	08/29/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-214 is split into 1,000-number blocks - detail below
410-214-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	RISING SUN	NOCLLIKNOWN	06/20/2023	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-216 is split into 1,000-number blocks - detail below
410-216-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	NOCLLIKNOWN	03/24/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-226 is split into 1,000-number blocks - detail below
410-226-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	OXFORD	NOCLLIKNOWN	09/22/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-246 is split into 1,000-number blocks - detail below
410-246-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	07/16/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-286 is split into 1,000-number blocks - detail below
410-286-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NORTHBEACH	NOCLLIKNOWN	06/20/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-291 is split into 1,000-number blocks - detail below
410-291-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDCH1DD	10/17/2017	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDCH1DD))
410-305 is split into 1,000-number blocks - detail below
410-305-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ODENTON	NOCLLIKNOWN	09/29/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-317 is split into 1,000-number blocks - detail below
410-317-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARGRGBSNIS	NOCLLIKNOWN	04/28/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-319 is split into 1,000-number blocks - detail below
410-319-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDHMDS0	01/09/2019	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDHMDS0))
410-343 is split into 1,000-number blocks - detail below
410-343-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SPARKSGLNC	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-344 is split into 1,000-number blocks - detail below
410-344-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHASE	NOCLLIKNOWN	03/03/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-344-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHASE	NOCLLIKNOWN	05/14/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-344-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHASE	NOCLLIKNOWN	12/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-346 is split into 1,000-number blocks - detail below
410-346-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SILVER RUN	NOCLLIKNOWN	06/14/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-346-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SILVER RUN	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-348 is split into 1,000-number blocks - detail below
410-348-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	STILL POND	NOCLLIKNOWN	09/22/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-372 is split into 1,000-number blocks - detail below
410-372-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	NOCLLIKNOWN	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-376 is split into 1,000-number blocks - detail below
410-376-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	VIENNA	NOCLLIKNOWN	10/20/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-384 is split into 1,000-number blocks - detail below
410-384-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERNA PK	NOCLLIKNOWN	11/06/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-384-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERNA PK	NOCLLIKNOWN	02/05/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-394 is split into 1,000-number blocks - detail below
410-394-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SOLOMONS	NOCLLIKNOWN	11/08/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-394-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SOLOMONS	NOCLLIKNOWN	05/06/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-394-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SOLOMONS	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-412 is split into 1,000-number blocks - detail below
410-412-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	NOCLLIKNOWN	04/28/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-415 is split into 1,000-number blocks - detail below
410-415-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	NOCLLIKNOWN	11/26/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-417 is split into 1,000-number blocks - detail below
410-417-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EDGEWOOD	NOCLLIKNOWN	01/17/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-424 is split into 1,000-number blocks - detail below
410-424-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	NOCLLIKNOWN	04/18/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-438 is split into 1,000-number blocks - detail below
410-438-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SUDLERSVL	NOCLLIKNOWN	09/22/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-443	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EASTON	SLBRMDSBUMD	07/23/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBUMD))
410-443 is split into 1,000-number blocks - detail below
410-443-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EASTON	SLBRMDSBUMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBUMD))
410-452 is split into 1,000-number blocks - detail below
410-452-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CARDIFF	NOCLLIKNOWN	12/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-457 is split into 1,000-number blocks - detail below
410-457-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DARLINGTON	NOCLLIKNOWN	02/06/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-469 is split into 1,000-number blocks - detail below
410-469-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	06/24/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-469-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	06/24/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-472 is split into 1,000-number blocks - detail below
410-472-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SPARKSGLNC	NOCLLIKNOWN	03/10/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-501 is split into 1,000-number blocks - detail below
410-501-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARBUTUS	NOCLLIKNOWN	11/25/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-501-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARBUTUS	NOCLLIKNOWN	11/25/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-504 is split into 1,000-number blocks - detail below
410-504-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	NOCLLIKNOWN	09/27/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-504-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	NOCLLIKNOWN	09/27/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-505 is split into 1,000-number blocks - detail below
410-505-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	NOCLLIKNOWN	01/27/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-505-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	NOCLLIKNOWN	07/01/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-505-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	NOCLLIKNOWN	11/10/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-512 is split into 1,000-number blocks - detail below
410-512-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	NOCLLIKNOWN	06/14/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-514 is split into 1,000-number blocks - detail below
410-514-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERN	NOCLLIKNOWN	09/26/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-514-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERN	NOCLLIKNOWN	05/01/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-514-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERN	NOCLLIKNOWN	04/11/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-525 is split into 1,000-number blocks - detail below
410-525-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	07/23/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-525-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/14/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-525-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	07/23/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-561 is split into 1,000-number blocks - detail below
410-561-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	NOCLLIKNOWN	11/10/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-567 is split into 1,000-number blocks - detail below
410-567-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKRIDGE	NOCLLIKNOWN	03/11/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-575 is split into 1,000-number blocks - detail below
410-575-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FORK	NOCLLIKNOWN	05/05/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-589 is split into 1,000-number blocks - detail below
410-589-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRYNPKLNCM	NOCLLIKNOWN	03/24/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-595 is split into 1,000-number blocks - detail below
410-595-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	NOCLLIKNOWN	04/28/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-609 is split into 1,000-number blocks - detail below
410-609-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRYNPKLNCM	NOCLLIKNOWN	01/12/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-609-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRYNPKLNCM	NOCLLIKNOWN	08/05/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-609-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRYNPKLNCM	NOCLLIKNOWN	02/24/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-609-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRYNPKLNCM	NOCLLIKNOWN	03/29/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-630 is split into 1,000-number blocks - detail below
410-630-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHASE	NOCLLIKNOWN	01/16/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-648 is split into 1,000-number blocks - detail below
410-648-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GALENA	NOCLLIKNOWN	05/31/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-648-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GALENA	NOCLLIKNOWN	05/30/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-650 is split into 1,000-number blocks - detail below
410-650-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DUNDALK	NOCLLIKNOWN	04/13/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-660 is split into 1,000-number blocks - detail below
410-660-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKRIDGE	NOCLLIKNOWN	01/22/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-670 is split into 1,000-number blocks - detail below
410-670-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EDGEWOOD	NOCLLIKNOWN	01/27/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-670-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EDGEWOOD	NOCLLIKNOWN	01/26/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-670-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EDGEWOOD	NOCLLIKNOWN	04/13/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-690	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EASTON	SLBRMDSBXFX	05/20/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
410-690 is split into 1,000-number blocks - detail below
410-690-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EASTON	SLBRMDSBXFX	12/27/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
410-690-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EASTON	SLBRMDSBXFX	05/18/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
410-690-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EASTON	SLBRMDSBXFX	08/27/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
410-690-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EASTON	SLBRMDSBXFX	08/03/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
410-691 is split into 1,000-number blocks - detail below
410-691-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	NOCLLIKNOWN	07/17/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-695 is split into 1,000-number blocks - detail below
410-695-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ODENTON	NOCLLIKNOWN	03/31/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-695-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ODENTON	NOCLLIKNOWN	07/29/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-695-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ODENTON	NOCLLIKNOWN	03/31/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-695-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ODENTON	NOCLLIKNOWN	07/05/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-696 is split into 1,000-number blocks - detail below
410-696-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	NOCLLIKNOWN	09/29/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-696-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-696-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	NOCLLIKNOWN	05/06/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-697 is split into 1,000-number blocks - detail below
410-697-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MILLERSVL	NOCLLIKNOWN	01/16/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-697-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MILLERSVL	NOCLLIKNOWN	07/18/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-698 is split into 1,000-number blocks - detail below
410-698-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FORK	NOCLLIKNOWN	03/14/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-698-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FORK	NOCLLIKNOWN	07/29/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-698-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FORK	NOCLLIKNOWN	12/16/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-702 is split into 1,000-number blocks - detail below
410-702-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	REISTERSTN	NOCLLIKNOWN	07/29/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-702-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	REISTERSTN	NOCLLIKNOWN	01/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-709 is split into 1,000-number blocks - detail below
410-709-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SPARROWSPT	NOCLLIKNOWN	09/10/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-709-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SPARROWSPT	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-713	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SALISBURY	SLBRMDSBXFX	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
410-713 is split into 1,000-number blocks - detail below
410-713-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SALISBURY	SLBRMDSBXFX	08/25/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
410-734 is split into 1,000-number blocks - detail below
410-734-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHURCHVL	NOCLLIKNOWN	02/06/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-753 is split into 1,000-number blocks - detail below
410-753-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	NOCLLIKNOWN	12/16/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-753-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	NOCLLIKNOWN	01/27/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-773 is split into 1,000-number blocks - detail below
410-773-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COCKEYSVL	NOCLLIKNOWN	04/13/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-774 is split into 1,000-number blocks - detail below
410-774-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CROFTON	NOCLLIKNOWN	02/23/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-774-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CROFTON	NOCLLIKNOWN	02/23/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-774-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CROFTON	NOCLLIKNOWN	07/29/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-774-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CROFTON	NOCLLIKNOWN	02/01/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-775 is split into 1,000-number blocks - detail below
410-775-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	UNION BDG	NOCLLIKNOWN	01/09/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-775-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	UNION BDG	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-777 is split into 1,000-number blocks - detail below
410-777-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERNA PK	NOCLLIKNOWN	09/26/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-777-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERNA PK	NOCLLIKNOWN	09/26/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-779	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
410-779 is split into 1,000-number blocks - detail below
410-779-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
410-779-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	03/05/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
410-782 is split into 1,000-number blocks - detail below
410-782-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKRIDGE	NOCLLIKNOWN	03/13/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-782-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKRIDGE	NOCLLIKNOWN	01/16/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-793 is split into 1,000-number blocks - detail below
410-793-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERNA PK	NOCLLIKNOWN	01/12/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-793-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERNA PK	NOCLLIKNOWN	07/29/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-816 is split into 1,000-number blocks - detail below
410-816-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	NOCLLIKNOWN	12/05/2018	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-840 is split into 1,000-number blocks - detail below
410-840-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	REISTERSTN	NOCLLIKNOWN	12/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-845 is split into 1,000-number blocks - detail below
410-845-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SALISBURY	NOCLLIKNOWN	10/20/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-846 is split into 1,000-number blocks - detail below
410-846-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERN	NOCLLIKNOWN	02/02/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-846-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERN	NOCLLIKNOWN	06/07/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-846-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERN	NOCLLIKNOWN	11/08/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-846-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERN	NOCLLIKNOWN	07/29/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-849 is split into 1,000-number blocks - detail below
410-849-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SHERWD FOR	NOCLLIKNOWN	04/14/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-858 is split into 1,000-number blocks - detail below
410-858-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	NOCLLIKNOWN	09/30/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-877 is split into 1,000-number blocks - detail below
410-877-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FALLSTON	NOCLLIKNOWN	02/06/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-881 is split into 1,000-number blocks - detail below
410-881-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SHERWD FOR	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-881-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SHERWD FOR	NOCLLIKNOWN	04/16/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-885 is split into 1,000-number blocks - detail below
410-885-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHESAPKECY	NOCLLIKNOWN	05/31/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-885-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHESAPKECY	NOCLLIKNOWN	10/12/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-891 is split into 1,000-number blocks - detail below
410-891-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COCKEYSVL	NOCLLIKNOWN	02/06/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-914 is split into 1,000-number blocks - detail below
410-914-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHURCHVL	NOCLLIKNOWN	09/10/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-927 is split into 1,000-number blocks - detail below
410-927-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ODENTON	NOCLLIKNOWN	08/11/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-927-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ODENTON	NOCLLIKNOWN	08/27/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-927-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ODENTON	NOCLLIKNOWN	10/12/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-928 is split into 1,000-number blocks - detail below
410-928-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MILLINGTON	NOCLLIKNOWN	12/11/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-928-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MILLINGTON	NOCLLIKNOWN	03/24/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-928-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MILLINGTON	NOCLLIKNOWN	05/18/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-929 is split into 1,000-number blocks - detail below
410-929-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	08/05/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-941 is split into 1,000-number blocks - detail below
410-941-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	JARRETTSVL	NOCLLIKNOWN	05/19/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-941-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	JARRETTSVL	NOCLLIKNOWN	12/05/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-941-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	JARRETTSVL	NOCLLIKNOWN	01/16/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-942 is split into 1,000-number blocks - detail below
410-942-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAVREGRACE	NOCLLIKNOWN	08/27/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-942-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAVREGRACE	NOCLLIKNOWN	02/06/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-943 is split into 1,000-number blocks - detail below
410-943-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HURLOCK	NOCLLIKNOWN	03/27/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-946 is split into 1,000-number blocks - detail below
410-946-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERNA PK	NOCLLIKNOWN	01/25/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-970 is split into 1,000-number blocks - detail below
410-970-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SYKESVILLE	NOCLLIKNOWN	03/14/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-970-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SYKESVILLE	NOCLLIKNOWN	02/28/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-970-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SYKESVILLE	NOCLLIKNOWN	02/02/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-981 is split into 1,000-number blocks - detail below
410-981-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	NOCLLIKNOWN	07/21/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-988 is split into 1,000-number blocks - detail below
410-988-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	NOCLLIKNOWN	08/15/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-988-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	NOCLLIKNOWN	08/15/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-988-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	NOCLLIKNOWN	08/15/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-994 is split into 1,000-number blocks - detail below
410-994-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EDGEWOOD	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-994-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EDGEWOOD	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-201 is split into 1,000-number blocks - detail below
443-201-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WESTMINSTR	NOCLLIKNOWN	02/03/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-203 is split into 1,000-number blocks - detail below
443-203-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WEST RIVER	NOCLLIKNOWN	03/08/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-203-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WEST RIVER	NOCLLIKNOWN	07/29/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-203-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WEST RIVER	NOCLLIKNOWN	03/02/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-205 is split into 1,000-number blocks - detail below
443-205-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CAMBRIDGE	NOCLLIKNOWN	08/23/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-205-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CAMBRIDGE	NOCLLIKNOWN	07/06/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-210 is split into 1,000-number blocks - detail below
443-210-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SALISBURY	NOCLLIKNOWN	09/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-213 is split into 1,000-number blocks - detail below
443-213-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	NOCLLIKNOWN	08/22/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-216 is split into 1,000-number blocks - detail below
443-216-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DUNDALK	NOCLLIKNOWN	05/31/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-218	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WORTHINGTN	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-218 is split into 1,000-number blocks - detail below
443-218-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WORTHINGTN	BLTOMDXIDS0	02/08/2006	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-218-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WORTHINGTN	BLTOMDXIDS0	10/27/2011	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-219	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PARKVILLE	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-219 is split into 1,000-number blocks - detail below
443-219-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PARKVILLE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-219-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PARKVILLE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-219-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PARKVILLE	BLTMMDSN6MD	01/04/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-219-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PARKVILLE	BLTMMDSN6MD	01/12/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-219-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PARKVILLE	BLTMMDSN6MD	01/27/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-219-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PARKVILLE	BLTMMDSN6MD	02/15/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-219-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PARKVILLE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-221	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-221 is split into 1,000-number blocks - detail below
443-221-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	07/08/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-221-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-221-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	12/31/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-224 is split into 1,000-number blocks - detail below
443-224-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	07/18/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-225 is split into 1,000-number blocks - detail below
443-225-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CAMBRIDGE	NOCLLIKNOWN	11/20/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-228 is split into 1,000-number blocks - detail below
443-228-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHASE	NOCLLIKNOWN	05/01/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-231 is split into 1,000-number blocks - detail below
443-231-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ESSEX	NOCLLIKNOWN	02/01/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-231-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ESSEX	NOCLLIKNOWN	03/29/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-231-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ESSEX	NOCLLIKNOWN	01/27/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-233 is split into 1,000-number blocks - detail below
443-233-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	VIENNA	NOCLLIKNOWN	05/02/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-244	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WESTMINSTR	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-244 is split into 1,000-number blocks - detail below
443-244-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WESTMINSTR	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-244-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WESTMINSTR	BLTMMDSN6MD	02/02/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-249 is split into 1,000-number blocks - detail below
443-249-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	STEVENSVL	NOCLLIKNOWN	05/18/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-249-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	STEVENSVL	NOCLLIKNOWN	08/09/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-262 is split into 1,000-number blocks - detail below
443-262-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CENTREVL	NOCLLIKNOWN	08/03/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-267 is split into 1,000-number blocks - detail below
443-267-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DARLINGTON	NOCLLIKNOWN	11/29/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-269 is split into 1,000-number blocks - detail below
443-269-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	NOCLLIKNOWN	08/29/2018	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-274 is split into 1,000-number blocks - detail below
443-274-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERN	NOCLLIKNOWN	02/14/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-275 is split into 1,000-number blocks - detail below
443-275-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	NOCLLIKNOWN	12/26/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-275-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	NOCLLIKNOWN	10/27/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-275-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-280 is split into 1,000-number blocks - detail below
443-280-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SYKESVILLE	NOCLLIKNOWN	05/31/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-282 is split into 1,000-number blocks - detail below
443-282-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHESTERTN	NOCLLIKNOWN	05/31/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-291	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAMPSTEAD	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-291 is split into 1,000-number blocks - detail below
443-291-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAMPSTEAD	BLTOMDXIDS0	08/27/2008	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-291-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HAMPSTEAD	BLTOMDXIDS0	02/06/2006	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-292	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CROFTON	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-292 is split into 1,000-number blocks - detail below
443-292-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CROFTON	BLTMMDSN6MD	01/15/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-295	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PRINCEFRCK	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-295 is split into 1,000-number blocks - detail below
443-295-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PRINCEFRCK	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-295-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PRINCEFRCK	BLTMMDSN6MD	02/23/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-295-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PRINCEFRCK	BLTMMDSN6MD	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-296	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WATERLO238	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-296 is split into 1,000-number blocks - detail below
443-296-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WATERLO238	BLTOMDXIDS0	12/05/2005	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-300	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SYKESVILLE	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-300 is split into 1,000-number blocks - detail below
443-300-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SYKESVILLE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-302	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CROFTON	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-302 is split into 1,000-number blocks - detail below
443-302-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CROFTON	BLTOMDXIDS0	01/31/2008	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-303	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-303 is split into 1,000-number blocks - detail below
443-303-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	BLTOMDXIDS0	11/10/2004	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-303-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-305	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARGRGBSNIS	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-305 is split into 1,000-number blocks - detail below
443-305-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARGRGBSNIS	BLTOMDXIDS0	04/28/2008	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-305-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARGRGBSNIS	BLTOMDXIDS0	05/06/2008	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-307	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BEL AIR	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-307 is split into 1,000-number blocks - detail below
443-307-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BEL AIR	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-312	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRYNPKLNCM	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-312 is split into 1,000-number blocks - detail below
443-312-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRYNPKLNCM	BLTOMDXIDS0	12/05/2005	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-312-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BRYNPKLNCM	BLTOMDXIDS0	07/11/2005	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-313	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FORK	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-313 is split into 1,000-number blocks - detail below
443-313-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FORK	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-316	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WOODLAWN	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-316 is split into 1,000-number blocks - detail below
443-316-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WOODLAWN	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-316-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WOODLAWN	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-318 is split into 1,000-number blocks - detail below
443-318-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COCKEYSVL	NOCLLIKNOWN	06/16/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-318-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COCKEYSVL	NOCLLIKNOWN	11/20/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-320	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-320 is split into 1,000-number blocks - detail below
443-320-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-320-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-320-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-320-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-320-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-320-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-329	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WATERLO236	WASJDCDCDS0	00/00/0000	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
443-329 is split into 1,000-number blocks - detail below
443-329-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WATERLO236	WASJDCDCDS0	01/24/2006	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
443-329-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WATERLO236	WASJDCDCDS0	N/A	Prefix Type: CLEC Switch Name: WASHINGTON DC Switch Type: NORTEL DMS 500 LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: WASJDCDCDS0))
443-333 is split into 1,000-number blocks - detail below
443-333-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	NOCLLIKNOWN	10/12/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-334 is split into 1,000-number blocks - detail below
443-334-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	NOCLLIKNOWN	11/20/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-341	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CATONSVL	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-341 is split into 1,000-number blocks - detail below
443-341-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CATONSVL	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-341-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CATONSVL	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-341-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CATONSVL	BLTMMDSN6MD	01/27/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-341-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CATONSVL	BLTMMDSN6MD	12/16/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-341-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CATONSVL	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-343 is split into 1,000-number blocks - detail below
443-343-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	MILLERSVL	NOCLLIKNOWN	03/13/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-345	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-345 is split into 1,000-number blocks - detail below
443-345-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	BLTMMDSN6MD	04/18/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-345-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	BLTMMDSN6MD	04/18/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-345-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-345-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	BLTMMDSN6MD	10/08/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-348 is split into 1,000-number blocks - detail below
443-348-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WOODLAWN	NOCLLIKNOWN	05/06/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-352	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-352 is split into 1,000-number blocks - detail below
443-352-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTMMDSN6MD	08/29/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-352-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-354	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-354 is split into 1,000-number blocks - detail below
443-354-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-355	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-355 is split into 1,000-number blocks - detail below
443-355-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-356	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BEL AIR	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-356 is split into 1,000-number blocks - detail below
443-356-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BEL AIR	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-364 is split into 1,000-number blocks - detail below
443-364-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	NOCLLIKNOWN	05/11/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-364-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELLICOTTCY	NOCLLIKNOWN	07/17/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-365 is split into 1,000-number blocks - detail below
443-365-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SALISBURY	NOCLLIKNOWN	03/03/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-367 is split into 1,000-number blocks - detail below
443-367-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	NOCLLIKNOWN	03/10/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-371	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BEL AIR	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-371 is split into 1,000-number blocks - detail below
443-371-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BEL AIR	BLTMMDSN6MD	02/24/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-371-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BEL AIR	BLTMMDSN6MD	01/22/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-380	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WOODLAWN	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-380 is split into 1,000-number blocks - detail below
443-380-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WOODLAWN	BLTMMDSN6MD	01/12/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-380-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WOODLAWN	BLTMMDSN6MD	04/07/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-391	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COCKEYSVL	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-391 is split into 1,000-number blocks - detail below
443-391-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COCKEYSVL	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-393	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-393 is split into 1,000-number blocks - detail below
443-393-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTOMDXIDS0	08/15/2005	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-393-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTOMDXIDS0	08/15/2005	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-393-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-393-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-393-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTOMDXIDS0	04/13/2006	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-393-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTOMDXIDS0	03/10/2011	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-393-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-393-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-396	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ODENTON	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-396 is split into 1,000-number blocks - detail below
443-396-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ODENTON	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-397 is split into 1,000-number blocks - detail below
443-397-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SALISBURY	NOCLLIKNOWN	03/04/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-403	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	BLTMMDSN6MD	06/20/2001	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-403 is split into 1,000-number blocks - detail below
443-403-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-403-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-403-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-406 is split into 1,000-number blocks - detail below
443-406-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKTON	NOCLLIKNOWN	02/06/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-406-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKTON	NOCLLIKNOWN	10/12/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-417 is split into 1,000-number blocks - detail below
443-417-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FALLSTON	NOCLLIKNOWN	08/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-423	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-423 is split into 1,000-number blocks - detail below
443-423-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-426 is split into 1,000-number blocks - detail below
443-426-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	RANDALLSTN	NOCLLIKNOWN	02/02/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-426-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	RANDALLSTN	NOCLLIKNOWN	07/29/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-426-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	RANDALLSTN	NOCLLIKNOWN	04/07/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-437 is split into 1,000-number blocks - detail below
443-437-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	POCOMOKE	NOCLLIKNOWN	04/20/2018	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-438 is split into 1,000-number blocks - detail below
443-438-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	12/18/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-439 is split into 1,000-number blocks - detail below
443-439-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TRAPPE	NOCLLIKNOWN	09/22/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-441 is split into 1,000-number blocks - detail below
443-441-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENWOOD	NOCLLIKNOWN	09/22/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-445 is split into 1,000-number blocks - detail below
443-445-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKRIDGE	NOCLLIKNOWN	05/31/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-448 is split into 1,000-number blocks - detail below
443-448-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DENTON	NOCLLIKNOWN	09/22/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-450	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-450 is split into 1,000-number blocks - detail below
443-450-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTMMDSN6MD	07/05/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-450-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-453 is split into 1,000-number blocks - detail below
443-453-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	05/06/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-455 is split into 1,000-number blocks - detail below
443-455-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	09/30/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-456 is split into 1,000-number blocks - detail below
443-456-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EDGEWOOD	NOCLLIKNOWN	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-459 is split into 1,000-number blocks - detail below
443-459-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKRIDGE	NOCLLIKNOWN	07/18/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-470 is split into 1,000-number blocks - detail below
443-470-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	NOCLLIKNOWN	08/03/2009	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-471 is split into 1,000-number blocks - detail below
443-471-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	NOCLLIKNOWN	09/13/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-472	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-472 is split into 1,000-number blocks - detail below
443-472-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-483	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CARDIFF	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-483 is split into 1,000-number blocks - detail below
443-483-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CARDIFF	BLTMMDSN6MD	01/16/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-484	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EDGEWOOD	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-484 is split into 1,000-number blocks - detail below
443-484-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EDGEWOOD	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-485	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKTON	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-485 is split into 1,000-number blocks - detail below
443-485-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKTON	BLTMMDSN6MD	05/06/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-486	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PRINCEFRCK	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-486 is split into 1,000-number blocks - detail below
443-486-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PRINCEFRCK	BLTMMDSN6MD	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-487	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WESTMINSTR	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-487 is split into 1,000-number blocks - detail below
443-487-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WESTMINSTR	BLTMMDSN6MD	04/07/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-492	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKRIDGE	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-492 is split into 1,000-number blocks - detail below
443-492-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKRIDGE	BLTOMDXIDS0	01/31/2008	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-492-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKRIDGE	BLTOMDXIDS0	01/31/2008	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-492-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ELKRIDGE	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-501	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-501 is split into 1,000-number blocks - detail below
443-501-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-503 is split into 1,000-number blocks - detail below
443-503-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DUNDALK	NOCLLIKNOWN	02/01/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-503-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DUNDALK	NOCLLIKNOWN	01/27/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-505	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ESSEX	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-505 is split into 1,000-number blocks - detail below
443-505-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ESSEX	BLTOMDXIDS0	12/01/2011	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-505-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ESSEX	BLTOMDXIDS0	05/06/2008	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-517	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-517 is split into 1,000-number blocks - detail below
443-517-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	BLTOMDXIDS0	04/23/2008	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-519	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-519 is split into 1,000-number blocks - detail below
443-519-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTOMDXIDS0	12/16/2004	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-536 is split into 1,000-number blocks - detail below
443-536-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WESTMINSTR	NOCLLIKNOWN	11/26/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-537 is split into 1,000-number blocks - detail below
443-537-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	CLMAMDSRRS0	09/25/2009	Prefix Type: CLEC Switch Name: COLUMBIA Switch Type: AT&T Tech Optic Remote Switch LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: CLMAMDSRRS0))
443-537-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	CLMAMDCBDS0	05/26/2009	Prefix Type: CLEC Switch Name: COLUMBIA 1 Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: CLMAMDCBDS0))
443-539 is split into 1,000-number blocks - detail below
443-539-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	NOCLLIKNOWN	01/25/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-539-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-541 is split into 1,000-number blocks - detail below
443-541-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COCKEYSVL	NOCLLIKNOWN	07/29/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-541-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COCKEYSVL	NOCLLIKNOWN	12/28/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-545	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTMMDSN6MD	05/18/2001	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-545 is split into 1,000-number blocks - detail below
443-545-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-545-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-545-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-546 is split into 1,000-number blocks - detail below
443-546-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	NOCLLIKNOWN	04/14/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-550	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NORTHBEACH	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-550 is split into 1,000-number blocks - detail below
443-550-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NORTHBEACH	BLTMMDSN6MD	01/16/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-550-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NORTHBEACH	BLTMMDSN6MD	06/20/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-551	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WOODLAWN	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-551 is split into 1,000-number blocks - detail below
443-551-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WOODLAWN	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-552 is split into 1,000-number blocks - detail below
443-552-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/20/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-552-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/20/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-552-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/20/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-552-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/20/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-552-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/20/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-563 is split into 1,000-number blocks - detail below
443-563-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	09/13/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-564	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-564 is split into 1,000-number blocks - detail below
443-564-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-566 is split into 1,000-number blocks - detail below
443-566-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHESAPKECY	NOCLLIKNOWN	01/20/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-567	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BEL AIR	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-567 is split into 1,000-number blocks - detail below
443-567-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BEL AIR	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-569	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-569 is split into 1,000-number blocks - detail below
443-569-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	12/01/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-569-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	04/11/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-569-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-569-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	04/11/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-569-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	04/11/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-569-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	04/11/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-569-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	04/11/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-577 is split into 1,000-number blocks - detail below
443-577-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	NOCLLIKNOWN	01/27/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-590	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	REISTERSTN	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-590 is split into 1,000-number blocks - detail below
443-590-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	REISTERSTN	BLTOMDXIDS0	12/05/2005	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-594	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SPARROWSPT	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-594 is split into 1,000-number blocks - detail below
443-594-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SPARROWSPT	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-602 is split into 1,000-number blocks - detail below
443-602-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	08/28/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-602-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	11/20/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-616 is split into 1,000-number blocks - detail below
443-616-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BEL AIR	NOCLLIKNOWN	01/30/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-620 is split into 1,000-number blocks - detail below
443-620-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WATERLO238	NOCLLIKNOWN	11/07/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-625	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FORK	BLTMMDSN6MD	02/21/2001	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-625 is split into 1,000-number blocks - detail below
443-625-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FORK	BLTMMDSN6MD	09/28/2001	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-627	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTOMDKHDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDKHDS0))
443-627 is split into 1,000-number blocks - detail below
443-627-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTOMDKHDS0	09/27/2006	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDKHDS0))
443-627-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTOMDKHDS0	09/27/2006	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDKHDS0))
443-627-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTOMDKHDS0	09/27/2006	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDKHDS0))
443-627-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTOMDKHDS0	12/20/2006	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDKHDS0))
443-637 is split into 1,000-number blocks - detail below
443-637-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARGRGBSNIS	NOCLLIKNOWN	12/28/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-637-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARGRGBSNIS	NOCLLIKNOWN	01/27/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-641	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTMMDSN6MD	05/18/2001	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-641 is split into 1,000-number blocks - detail below
443-641-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-641-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-652 is split into 1,000-number blocks - detail below
443-652-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	TWSNMDTWDS0	06/28/2016	Prefix Type: CLEC Switch Name: TOWSON Switch Type: WECO 5ESS (Digital) LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: TWSNMDTWDS0))
443-666	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHESTERTN	SLBRMDSBXFX	05/23/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
443-666 is split into 1,000-number blocks - detail below
443-666-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHESTERTN	SLBRMDSBXFX	05/31/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
443-671 is split into 1,000-number blocks - detail below
443-671-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NEWWINDSOR	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-672 is split into 1,000-number blocks - detail below
443-672-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PARKTON	NOCLLIKNOWN	01/31/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-674 is split into 1,000-number blocks - detail below
443-674-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NORTH EAST	NOCLLIKNOWN	05/01/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-679 is split into 1,000-number blocks - detail below
443-679-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SEVERN	NOCLLIKNOWN	06/06/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-681 is split into 1,000-number blocks - detail below
443-681-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	03/11/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-681-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	03/11/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-692 is split into 1,000-number blocks - detail below
443-692-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	07/30/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-693 is split into 1,000-number blocks - detail below
443-693-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PERRYVILLE	NOCLLIKNOWN	11/07/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-693-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PERRYVILLE	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-701 is split into 1,000-number blocks - detail below
443-701-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARBUTUS	NOCLLIKNOWN	12/10/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-701-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARBUTUS	NOCLLIKNOWN	08/05/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-701-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARBUTUS	NOCLLIKNOWN	12/10/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-701-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARBUTUS	NOCLLIKNOWN	01/12/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-709 is split into 1,000-number blocks - detail below
443-709-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARBUTUS	NOCLLIKNOWN	01/13/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-715 is split into 1,000-number blocks - detail below
443-715-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NORTH EAST	NOCLLIKNOWN	05/06/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-731 is split into 1,000-number blocks - detail below
443-731-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PT DEPOSIT	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-731-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PT DEPOSIT	NOCLLIKNOWN	11/07/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-736 is split into 1,000-number blocks - detail below
443-736-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SALISBURY	NOCLLIKNOWN	06/27/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-736-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SALISBURY	NOCLLIKNOWN	03/23/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-737 is split into 1,000-number blocks - detail below
443-737-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WATERLO238	NOCLLIKNOWN	06/22/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-737-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WATERLO238	NOCLLIKNOWN	01/16/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-740	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	02/03/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-740 is split into 1,000-number blocks - detail below
443-740-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	02/04/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-743 is split into 1,000-number blocks - detail below
443-743-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	07/08/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-743-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	07/08/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-746	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EASTON	SLBRMDSBXFX	02/22/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
443-746 is split into 1,000-number blocks - detail below
443-746-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EASTON	SLBRMDSBXFX	01/27/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
443-746-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EASTON	SLBRMDSBXFX	09/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
443-746-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	EASTON	SLBRMDSBXFX	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
443-759 is split into 1,000-number blocks - detail below
443-759-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	01/29/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-760 is split into 1,000-number blocks - detail below
443-760-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ABERDEEN	NOCLLIKNOWN	12/21/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-763 is split into 1,000-number blocks - detail below
443-763-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	NOCLLIKNOWN	07/21/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-763-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	NOCLLIKNOWN	07/18/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-763-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	NOCLLIKNOWN	07/18/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-798 is split into 1,000-number blocks - detail below
443-798-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	NOCLLIKNOWN	07/17/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-798-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	NOCLLIKNOWN	03/14/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-809	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	06/13/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-809 is split into 1,000-number blocks - detail below
443-809-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	06/16/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-809-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	06/16/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-809-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	06/16/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-809-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	06/16/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-809-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	06/16/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-809-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	06/16/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-809-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	06/16/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-809-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	06/16/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-809-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	06/16/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-809-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	06/16/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-818	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARGRGBSNIS	BLTMMDSN6MD	12/30/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-818 is split into 1,000-number blocks - detail below
443-818-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARGRGBSNIS	BLTMMDSN6MD	01/04/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-818-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ARGRGBSNIS	BLTMMDSN6MD	01/04/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-825 is split into 1,000-number blocks - detail below
443-825-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	03/24/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-832	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-832 is split into 1,000-number blocks - detail below
443-832-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-832-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	BLTMMDSN6MD	06/27/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-836 is split into 1,000-number blocks - detail below
443-836-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	11/16/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-836-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	11/16/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-842 is split into 1,000-number blocks - detail below
443-842-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	05/13/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-844 is split into 1,000-number blocks - detail below
443-844-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	02/24/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-853 is split into 1,000-number blocks - detail below
443-853-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	12/17/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-856 is split into 1,000-number blocks - detail below
443-856-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	OCEAN CITY	NOCLLIKNOWN	07/17/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-856-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	OCEAN CITY	NOCLLIKNOWN	01/18/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-856-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	OCEAN CITY	NOCLLIKNOWN	02/21/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-863 is split into 1,000-number blocks - detail below
443-863-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	11/16/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-863-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	11/16/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-863-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	11/16/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-863-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	12/17/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-877	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NORTH EAST	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-877 is split into 1,000-number blocks - detail below
443-877-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NORTH EAST	BLTMMDSN6MD	01/26/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-877-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NORTH EAST	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-883 is split into 1,000-number blocks - detail below
443-883-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	NOCLLIKNOWN	04/08/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-884 is split into 1,000-number blocks - detail below
443-884-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/24/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-892 is split into 1,000-number blocks - detail below
443-892-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NEWWINDSOR	NOCLLIKNOWN	01/31/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-898	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTMMDSN6MD	12/08/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-898 is split into 1,000-number blocks - detail below
443-898-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTMMDSN6MD	10/12/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-898-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PIKESVILLE	BLTMMDSN6MD	11/26/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-899	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WATERLO238	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-899 is split into 1,000-number blocks - detail below
443-899-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WATERLO238	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-918 is split into 1,000-number blocks - detail below
443-918-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TANEYTOWN	NOCLLIKNOWN	02/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-918-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TANEYTOWN	NOCLLIKNOWN	01/31/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-926	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-926 is split into 1,000-number blocks - detail below
443-926-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-926-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-926-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	12/18/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-926-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-927	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-927 is split into 1,000-number blocks - detail below
443-927-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-927-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-927-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-927-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-927-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-927-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-927-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-938 is split into 1,000-number blocks - detail below
443-938-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	10/26/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-951	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTOMDXIDS0	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-951 is split into 1,000-number blocks - detail below
443-951-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-951-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-951-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	BLTOMDXIDS0	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDXIDS0))
443-955 is split into 1,000-number blocks - detail below
443-955-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	05/31/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-955-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	05/31/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-957 is split into 1,000-number blocks - detail below
443-957-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	02/15/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-957-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	05/19/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-962 is split into 1,000-number blocks - detail below
443-962-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	NOCLLIKNOWN	11/08/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-962-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GLENBURNIE	NOCLLIKNOWN	02/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-964	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	NORTHBEACH	BLTMMDSN6MD	05/12/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-965 is split into 1,000-number blocks - detail below
443-965-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	07/16/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-977 is split into 1,000-number blocks - detail below
443-977-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	11/09/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-977-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	11/09/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-978 is split into 1,000-number blocks - detail below
443-978-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SALISBURY	NOCLLIKNOWN	07/27/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-986 is split into 1,000-number blocks - detail below
443-986-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	10/06/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-988	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CENTREVL	SLBRMDSBXFX	06/08/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
443-988 is split into 1,000-number blocks - detail below
443-988-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CENTREVL	SLBRMDSBXFX	06/16/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
443-991 is split into 1,000-number blocks - detail below
443-991-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	NOCLLIKNOWN	02/03/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
443-992	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-992 is split into 1,000-number blocks - detail below
443-992-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
443-992-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	08/24/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-200 is split into 1,000-number blocks - detail below
667-200-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	NOCLLIKNOWN	12/05/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-207 is split into 1,000-number blocks - detail below
667-207-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	09/06/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-207-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	09/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-207-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	10/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-218 is split into 1,000-number blocks - detail below
667-218-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	07/08/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-219 is split into 1,000-number blocks - detail below
667-219-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	05/20/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-219-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	05/20/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-225 is split into 1,000-number blocks - detail below
667-225-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	NOCLLIKNOWN	10/08/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-251	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	12/24/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-251 is split into 1,000-number blocks - detail below
667-251-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	12/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-251-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	12/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-251-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	12/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-251-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	12/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-251-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	12/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-251-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	12/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-251-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	12/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-251-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	12/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-251-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	12/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-251-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	TOWSON	BLTMMDSN6MD	12/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-260 is split into 1,000-number blocks - detail below
667-260-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	09/07/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-262 is split into 1,000-number blocks - detail below
667-262-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	05/19/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-270 is split into 1,000-number blocks - detail below
667-270-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	NOCLLIKNOWN	09/13/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-279 is split into 1,000-number blocks - detail below
667-279-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BISHOPVL	NOCLLIKNOWN	10/25/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-284	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	07/30/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-284 is split into 1,000-number blocks - detail below
667-284-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	08/03/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-284-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	08/03/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-284-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	08/03/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-284-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	08/03/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-284-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	08/03/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-284-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	08/03/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-284-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	08/03/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-288	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BERLIN	SLBRMDSBXFX	09/01/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
667-288 is split into 1,000-number blocks - detail below
667-288-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BERLIN	SLBRMDSBXFX	09/04/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
667-293 is split into 1,000-number blocks - detail below
667-293-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SHARPTOWN	NOCLLIKNOWN	10/25/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-302 is split into 1,000-number blocks - detail below
667-302-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CECILTON	NOCLLIKNOWN	10/25/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-306	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	03/19/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-306 is split into 1,000-number blocks - detail below
667-306-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	03/22/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-306-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	03/22/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-306-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	03/22/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-306-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	03/22/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-306-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	03/22/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-306-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	03/22/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-306-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	03/22/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-306-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	03/22/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-306-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	03/22/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-306-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	03/22/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-317	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PRINCEANNE	SLBRMDSBXFX	04/21/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
667-317 is split into 1,000-number blocks - detail below
667-317-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PRINCEANNE	SLBRMDSBXFX	04/21/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
667-319 is split into 1,000-number blocks - detail below
667-319-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CHESTERTN	NOCLLIKNOWN	03/24/2025	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-323	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	QUEENSTOWN	SLBRMDSBXFX	05/25/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
667-323 is split into 1,000-number blocks - detail below
667-323-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	QUEENSTOWN	SLBRMDSBXFX	05/25/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: SLBRMDSBXFX))
667-341 is split into 1,000-number blocks - detail below
667-341-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	DELMAR	NOCLLIKNOWN	10/25/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-342 is split into 1,000-number blocks - detail below
667-342-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	PRESTON	NOCLLIKNOWN	10/25/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-347 is split into 1,000-number blocks - detail below
667-347-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	FEDERALSBG	NOCLLIKNOWN	10/25/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-348 is split into 1,000-number blocks - detail below
667-348-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	RIDGELY	NOCLLIKNOWN	08/18/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-354 is split into 1,000-number blocks - detail below
667-354-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	12/29/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-400 is split into 1,000-number blocks - detail below
667-400-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	02/06/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-401	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	11/20/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-401 is split into 1,000-number blocks - detail below
667-401-0XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	01/29/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-401-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	11/26/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-401-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	11/26/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-401-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	06/21/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-401-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	BLTMMDSN6MD	04/17/2014	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDSN6MD))
667-406 is split into 1,000-number blocks - detail below
667-406-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	07/06/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-407 is split into 1,000-number blocks - detail below
667-407-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	05/23/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-407-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	05/23/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-407-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	05/23/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-418 is split into 1,000-number blocks - detail below
667-418-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	GREENSBORO	NOCLLIKNOWN	11/02/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-458 is split into 1,000-number blocks - detail below
667-458-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	ANNAPOLIS	NOCLLIKNOWN	02/04/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-600 is split into 1,000-number blocks - detail below
667-600-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	03/24/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-661 is split into 1,000-number blocks - detail below
667-661-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	SNOW HILL	NOCLLIKNOWN	03/22/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-665 is split into 1,000-number blocks - detail below
667-665-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	HILLSBORO	NOCLLIKNOWN	06/30/2025	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-687 is split into 1,000-number blocks - detail below
667-687-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	WARWICK	NOCLLIKNOWN	10/25/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-767 is split into 1,000-number blocks - detail below
667-767-9XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	STMICHAELS	NOCLLIKNOWN	10/25/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-776 is split into 1,000-number blocks - detail below
667-776-1XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/01/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-776-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/01/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-776-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/01/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-776-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/01/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-776-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/01/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-776-6XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/01/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-776-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/01/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-776-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/01/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-786 is split into 1,000-number blocks - detail below
667-786-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	COLUMBIA	NOCLLIKNOWN	01/12/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-868 is split into 1,000-number blocks - detail below
667-868-2XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	CRISFIELD	NOCLLIKNOWN	11/19/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Salisbury MD (242) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-895 is split into 1,000-number blocks - detail below
667-895-3XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	02/23/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-895-4XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	02/23/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-895-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	08/30/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-900 is split into 1,000-number blocks - detail below
667-900-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	06/30/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-910 is split into 1,000-number blocks - detail below
667-910-7XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	10/06/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-910-8XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	08/17/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
667-930 is split into 1,000-number blocks - detail below
667-930-5XXX	MD	LEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)		N/A	6119	BALTIMORE	NOCLLIKNOWN	04/07/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))