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
413-923	MA	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA (Verizon Communications)	0004999405	RMD0002957	7103	NORTHAMPTN	SPFDMAATDS2	00/00/0000	Prefix Type: CLEC Switch Name: SPRINGFIELD Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATDS2))
413-923 is split into 1,000-number blocks - detail below
413-923-0XXX	MA	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	NORTHAMPTN	SPFDMAWOXCY	10/14/2021	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAWOXCY))
413-923-1XXX	MA	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	NORTHAMPTN	NOCLLIKNOWN	09/15/2010	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-923-2XXX	MA	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	NORTHAMPTN	NOCLLIKNOWN	12/21/2012	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-923-3XXX	MA	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA (Verizon Communications)	0004999405	RMD0002957	7103	NORTHAMPTN	SPFDMAATDS2	06/18/2014	Prefix Type: CLEC Switch Name: SPRINGFIELD Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATDS2))
413-923-4XXX	MA	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	NORTHAMPTN	NOCLLIKNOWN	07/26/2011	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-923-5XXX	MA	PAETEC ITEL, LLC		N/A	829J	NORTHAMPTN	BSTNMACODS7	06/10/2013	Prefix Type: IPES Switch Name: BOSTON Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: BSTNMACODS7))
413-923-6XXX	MA	ONVOY, LLC - MA (Sinch)	0004323028	RMD0001966	892D	NORTHAMPTN	NOCLLIKNOWN	02/06/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-923-7XXX	MA	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	NORTHAMPTN	NOCLLIKNOWN	04/23/2014	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-923-8XXX	MA	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	NORTHAMPTN	NOCLLIKNOWN	06/04/2009	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-923-9XXX	MA	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA (Verizon Communications)	0004999405	RMD0002957	7103	NORTHAMPTN	SPFDMAATDS2	N/A	Prefix Type: CLEC Switch Name: SPRINGFIELD Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATDS2))