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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
256-407	AL	FARMERS TELECOMMUNICATIONS CORPORATION - AL (FARMERS TELECOMMUNICATIONS CORPORATION)	0004074779	RMD0002140	947D	CENTRE	CNTRALXE4MD	05/15/2015	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: CNTRALXE4MD)) 🕘 Prefix History 🔎 Explore Carrier Information
256-407 is split into 1,000-number blocks - detail below
256-407-0XXX	AL	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL (Verizon Communications)	0003290673	RMD0003382	6804	CENTRE	BRHMAL41AMD	01/03/2023	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: BRHMAL41AMD)) 🕘 Prefix History 🔎 Explore Carrier Information 📡 Find related FCC/ISED radio licenses
256-407-1XXX	AL	FARMERS TELECOMMUNICATIONS CORPORATION - AL (FARMERS TELECOMMUNICATIONS CORPORATION)	0004074779	RMD0002140	947D	CENTRE	CNTRALXE4MD	05/18/2015	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: CNTRALXE4MD)) 🕘 Prefix History 🔎 Explore Carrier Information
256-407-2XXX	AL	ONVOY, LLC - AL (Sinch)	0004323028	RMD0001966	604E	CENTRE	NOCLLIKNOWN	05/24/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
256-407-3XXX	AL	ONVOY, LLC - AL (Sinch)	0004323028	RMD0001966	604E	CENTRE	NOCLLIKNOWN	09/13/2023	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
256-407-4XXX	AL	ONVOY, LLC - AL (Sinch)	0004323028	RMD0001966	604E	CENTRE	NOCLLIKNOWN	09/13/2023	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
256-407-6XXX	AL	TELEPORT COMMUNICATIONS AMERICA, LLC - AL (AT&T)	0004274114	RMD0003897	8271	CENTRE	NOCLLIKNOWN	06/06/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
256-407-8XXX	AL	BOOST SUBSCRIBERCO L.L.C.	0037698057	RMD0031843	490J	CENTRE	NOCLLIKNOWN	08/10/2022	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information 📡 Find related FCC/ISED radio licenses
256-407-9XXX	AL	ONVOY SPECTRUM, LLC (Sinch AB)	0024415002	RMD0002045	624H	CENTRE	NOCLLIKNOWN	11/12/2024	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Birmingham AL (476) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information 📡 Find related FCC/ISED radio licenses