TelcoData.US: Search by Area Code / Exchange

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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
410-992	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	COLUMBIA	ELCYMDELDS0	00/00/0000	Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: ELCYMDELDS0))
410-992 is split into 1,000-number blocks - detail below
410-992-0XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	COLUMBIA	ELCYMDELDS0	N/A	Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: ELCYMDELDS0))
410-992-1XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	COLUMBIA	ELCYMDELDS0	N/A	Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: ELCYMDELDS0))
410-992-2XXX	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)	0003290673	RMD0003382	6395	COLUMBIA	BLTOMDKHBMD	09/29/2011	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTOMDKHBMD))
410-992-3XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	COLUMBIA	ELCYMDELDS0	N/A	Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: ELCYMDELDS0))
410-992-4XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	COLUMBIA	ELCYMDELDS0	N/A	Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: ELCYMDELDS0))
410-992-5XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	COLUMBIA	ELCYMDELDS0	N/A	Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: ELCYMDELDS0))
410-992-6XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	COLUMBIA	ELCYMDELDS0	N/A	Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: ELCYMDELDS0))
410-992-7XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	COLUMBIA	ELCYMDELDS0	N/A	Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: ELCYMDELDS0))
410-992-8XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	COLUMBIA	ELCYMDELDS0	N/A	Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: ELCYMDELDS0))
410-992-9XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	COLUMBIA	ELCYMDELDS0	N/A	Prefix Type: RBOC Switch Name: ELLICOTT CITY Switch Type: NTDMS100 LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: ELCYMDELDS0))