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
410-517	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	REISTERSTN	RSTWMDRSRP0	00/00/0000	Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: RSTWMDRSRP0))
410-517 is split into 1,000-number blocks - detail below
410-517-0XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	REISTERSTN	RSTWMDRSRP0	N/A	Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: RSTWMDRSRP0))
410-517-1XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	REISTERSTN	RSTWMDRSRP0	N/A	Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: RSTWMDRSRP0))
410-517-2XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	REISTERSTN	RSTWMDRSRP0	N/A	Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: RSTWMDRSRP0))
410-517-3XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	REISTERSTN	RSTWMDRSRP0	N/A	Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: RSTWMDRSRP0))
410-517-4XXX	MD	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	REISTERSTN	BLTMMDCHFMD	06/14/2006	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDCHFMD))
410-517-5XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	REISTERSTN	RSTWMDRSRP0	N/A	Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: RSTWMDRSRP0))
410-517-6XXX	MD	VDL, INC. DBA GLOBAL TELECOM BROKERS - MD	0018511246	RMD0003054	4492	REISTERSTN	NOCLLIKNOWN	10/17/2003	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-517-7XXX	MD	ONVOY, LLC - MD (Sinch)	0004323028	RMD0001966	876D	REISTERSTN	NOCLLIKNOWN	02/23/2016	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-517-8XXX	MD	VERIZON MARYLAND, INC. (Verizon Communications)	0002166825	RMD0002941	9212	REISTERSTN	RSTWMDRSRP0	N/A	Prefix Type: RBOC Switch Name: REISTERSTOWN Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: RSTWMDRSRP0))
410-517-9XXX	MD	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	REISTERSTN	BLTMMDCHFMD	04/05/2006	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A 🔧 Explore Switch(CLLI: BLTMMDCHFMD))