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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-489MDVERIZON MARYLAND, INC. (Verizon Communications)9212GLENWOODGLWDMDGDRS100/00/0000Prefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-489
410-489-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212GLENWOODGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-489-1MDBANDWIDTH.COM CLEC, LLC - MD071FGLENWOODNOCLLIKNOWN05/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-489-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212GLENWOODGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-489-3MDONVOY, LLC - MD (Inteliquent)876DGLENWOODNOCLLIKNOWN03/09/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-489-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212GLENWOODGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-489-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212GLENWOODGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-489-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212GLENWOODGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-489-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212GLENWOODGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-489-8MDATX TELECOMMUNICATIONS SERVICE1958GLENWOODNOCLLIKNOWN02/03/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-489-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212GLENWOODGLWDMDGDRS1N/APrefix Type: RBOC
Switch Name: GLENWOOD
Switch Type: Digital Switching System
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-266MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050GLENWOODBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-266
443-266-0MDTWILIO INTERNATIONAL, INC.506JGLENWOODNOCLLIKNOWN11/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-266-1MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050GLENWOODBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-266-2MDBANDWIDTH.COM CLEC, LLC - MD071FGLENWOODNOCLLIKNOWN12/06/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-266-3MDBANDWIDTH.COM CLEC, LLC - MD071FGLENWOODNOCLLIKNOWN05/05/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-266-4MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050GLENWOODBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-266-5MDBANDWIDTH.COM CLEC, LLC - MD071FGLENWOODNOCLLIKNOWN03/03/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-266-6MDBANDWIDTH.COM CLEC, LLC - MD071FGLENWOODNOCLLIKNOWN09/21/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-266-7MDCOMCAST IP PHONE, LLC318JGLENWOODNOCLLIKNOWN02/11/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-266-8MDBANDWIDTH.COM CLEC, LLC - MD071FGLENWOODNOCLLIKNOWN06/21/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-266-9MDONVOY, LLC - MD (Inteliquent)876DGLENWOODNOCLLIKNOWN09/11/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-419MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910GLENWOODHNVAMDBHAMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-419
443-419-0MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910GLENWOODHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-419-1MDUS LEC OF MARYLAND, INC.2589GLENWOODCLMAMDJTDS002/17/2004Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-419-2MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODNOCLLIKNOWN03/01/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-419-3MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697GLENWOODNOCLLIKNOWN03/28/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-419-4MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-419-5MDCOMCAST IP PHONE, LLC318JGLENWOODNOCLLIKNOWN04/09/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-419-6MDONVOY, LLC - MD (Inteliquent)876DGLENWOODNOCLLIKNOWN03/09/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-419-7MDONVOY, LLC - MD (Inteliquent)876DGLENWOODNOCLLIKNOWN03/09/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-419-8MDBALTIMORE-WASHINGTON TELEPHONE8697GLENWOODNOCLLIKNOWN05/18/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-419-9MDLOCAL ACCESS LLC - MD082HGLENWOODNOCLLIKNOWN02/19/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325GLENWOODBLTMMDFMDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-441
443-441-0MDPEERLESS NETWORK OF MARYLAND, 568GGLENWOODNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-1MDPEERLESS NETWORK OF MARYLAND, 568GGLENWOODNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-2MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119GLENWOODNOCLLIKNOWN09/22/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-3MDTELNYX LLC073HGLENWOODNOCLLIKNOWN04/14/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-4MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-5MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228GLENWOODBLTOMDKHDS001/10/2018Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-6MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-7MDCENTURYLINK COMMUNICATIONS, LL (CenturyLink, Inc)508JGLENWOODBLTMMDDN2MD05/14/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-8MDLOCAL ACCESS LLC - MD082HGLENWOODNOCLLIKNOWN05/03/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-9MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325GLENWOODBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-476MDRADIANTIQ LLC566JGLENWOODPIVLMDPKX8X03/25/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-476
667-476-0MDONVOY SPECTRUM, LLC (Inteliquent)624HGLENWOODNOCLLIKNOWN01/06/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-476-1MDONVOY SPECTRUM, LLC (Inteliquent)624HGLENWOODNOCLLIKNOWN01/06/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-476-2MDONVOY, LLC - MD (Inteliquent)876DGLENWOODNOCLLIKNOWN06/15/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-476-3MDONVOY, LLC - MD (Inteliquent)876DGLENWOODNOCLLIKNOWN06/15/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-476-4MDONVOY SPECTRUM, LLC (Inteliquent)624HGLENWOODNOCLLIKNOWN04/23/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-476-5MDPEERLESS NETWORK OF MARYLAND, 568GGLENWOODNOCLLIKNOWN06/17/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-476-6MDONVOY, LLC - MD (Inteliquent)876DGLENWOODNOCLLIKNOWN04/21/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-476-7MDRADIANTIQ LLC566JGLENWOODPIVLMDPKX8X03/26/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-476-8MDONVOY, LLC - MD (Inteliquent)876DGLENWOODNOCLLIKNOWN03/31/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-476-9MDONVOY, LLC - MD (Inteliquent)876DGLENWOODNOCLLIKNOWN03/31/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-722MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODBLTMMD91GT010/15/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-722
667-722-0MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-722-1MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-722-2MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-722-3MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-722-4MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-722-5MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-722-6MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-722-7MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODBLTMMD91GT003/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-722-8MDBANDWIDTH.COM CLEC, LLC - MD071FGLENWOODNOCLLIKNOWN04/08/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-722-9MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODBLTMMD91GT007/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-746MDTON80 COMMUNICATIONS, LLC516JGLENWOODBLTQMD01BMD02/24/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-746
667-746-7MDTON80 COMMUNICATIONS, LLC516JGLENWOODBLTQMD01BMD02/24/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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