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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
410-794	MD	LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)	0017348202	RMD0006082	7591	COLUMBIA	BLTMMDDNDS2	00/00/0000	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDDNDS2))
410-794 is split into 1,000-number blocks - detail below
410-794-0XXX	MD	LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)	0017348202	RMD0006082	7591	COLUMBIA	BLTMMDDNDS2	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDDNDS2))
410-794-1XXX	MD	LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)	0017348202	RMD0006082	7591	COLUMBIA	BLTMMDDNDS2	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDDNDS2))
410-794-2XXX	MD	LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)	0017348202	RMD0006082	7591	COLUMBIA	BLTMMDDNDS2	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDDNDS2))
410-794-3XXX	MD	LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)	0017348202	RMD0006082	7591	COLUMBIA	BLTMMDDNDS2	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDDNDS2))
410-794-4XXX	MD	LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)	0017348202	RMD0006082	7591	COLUMBIA	BLTMMDDNDS2	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDDNDS2))
410-794-5XXX	MD	BALTIMORE-WASHINGTON TELEPHONE (BWT)	0008104507	RMD0004516	8697	COLUMBIA	NOCLLIKNOWN	04/17/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-794-6XXX	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)	0003290673	RMD0003382	6395	COLUMBIA	BLTOMDKHBMD	05/02/2007	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDKHBMD))
410-794-7XXX	MD	LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)	0017348202	RMD0006082	7591	COLUMBIA	BLTMMDDNDS2	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDDNDS2))
410-794-8XXX	MD	LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)	0017348202	RMD0006082	7591	COLUMBIA	BLTMMDDNDS2	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDDNDS2))
410-794-9XXX	MD	LEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)	0017348202	RMD0006082	7591	COLUMBIA	BLTMMDDNDS2	N/A	Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDDNDS2))