TelcoData.US: Search by Area Code / Exchange

🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
774-764	MA	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	HOLDEN	CMBSMA01AMD	01/23/2017	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A 🔧 Explore Switch(CLLI: CMBSMA01AMD))
774-764 is split into 1,000-number blocks - detail below
774-764-0XXX	MA	TELNYX LLC	0018998724	RMD0001645	073H	HOLDEN	NOCLLIKNOWN	04/18/2017	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
774-764-1XXX	MA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA (Verizon Communications)	0003290673	RMD0003382	6387	HOLDEN	CATNMAAKAMD	06/20/2017	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A 🔧 Explore Switch(CLLI: CATNMAAKAMD))
774-764-2XXX	MA	ONVOY, LLC - MA (Sinch)	0004323028	RMD0001966	892D	HOLDEN	NOCLLIKNOWN	01/25/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
774-764-3XXX	MA	ONVOY, LLC - MA (Sinch)	0004323028	RMD0001966	892D	HOLDEN	NOCLLIKNOWN	01/25/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
774-764-4XXX	MA	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	HOLDEN	CMBSMA01AMD	08/13/2019	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A 🔧 Explore Switch(CLLI: CMBSMA01AMD))
774-764-5XXX	MA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA (Verizon Communications)	0003290673	RMD0003382	6387	HOLDEN	CATNMAAKAMD	08/29/2025	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A 🔧 Explore Switch(CLLI: CATNMAAKAMD))
774-764-6XXX	MA	ONVOY SPECTRUM, LLC (Sinch AB)	0024415002	RMD0002045	624H	HOLDEN	NOCLLIKNOWN	03/10/2021	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
774-764-7XXX	MA	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	HOLDEN	CMBSMA01AMD	11/05/2020	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A 🔧 Explore Switch(CLLI: CMBSMA01AMD))
774-764-8XXX	MA	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	HOLDEN	CMBSMA01AMD	11/07/2017	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A 🔧 Explore Switch(CLLI: CMBSMA01AMD))
774-764-9XXX	MA	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	HOLDEN	CMBSMA01AMD	01/24/2017	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A 🔧 Explore Switch(CLLI: CMBSMA01AMD))