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
337-543	LA	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	LAWTELL	LWTLLAMARS1	00/00/0000	Prefix Type: RBOC Switch Name: LAWTELL Switch Type: Stromberg Carlson DCO RLS LATA: Lafayette LA (488) Tandem: N/A 🔧 Explore Switch(CLLI: LWTLLAMARS1)) 🕘 Prefix History 🔎 Explore Carrier Information
337-543 is split into 1,000-number blocks - detail below
337-543-0XXX	LA	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	LAWTELL	LWTLLAMARS1	N/A	Prefix Type: RBOC Switch Name: LAWTELL Switch Type: Stromberg Carlson DCO RLS LATA: Lafayette LA (488) Tandem: N/A 🔧 Explore Switch(CLLI: LWTLLAMARS1)) 🕘 Prefix History 🔎 Explore Carrier Information
337-543-1XXX	LA	ONVOY SPECTRUM, LLC (Sinch US Holding, Inc.)	0024415002	RMD0002045	624H	LAWTELL	NOCLLIKNOWN	06/27/2023	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Lafayette LA (488) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
337-543-2XXX	LA	TERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)	0021193057	RMD0001495	145J	LAWTELL	NOCLLIKNOWN	08/04/2022	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Lafayette LA (488) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
337-543-4XXX	LA	TERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)	0021193057	RMD0001495	145J	LAWTELL	NOCLLIKNOWN	12/04/2024	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Lafayette LA (488) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
337-543-5XXX	LA	TERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)	0021193057	RMD0001495	145J	LAWTELL	NOCLLIKNOWN	03/27/2023	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Lafayette LA (488) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
337-543-6XXX	LA	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	LAWTELL	LWTLLAMARS1	N/A	Prefix Type: RBOC Switch Name: LAWTELL Switch Type: Stromberg Carlson DCO RLS LATA: Lafayette LA (488) Tandem: N/A 🔧 Explore Switch(CLLI: LWTLLAMARS1)) 🕘 Prefix History 🔎 Explore Carrier Information
337-543-7XXX	LA	BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)		N/A	9419	LAWTELL	LWTLLAMARS1	N/A	Prefix Type: RBOC Switch Name: LAWTELL Switch Type: Stromberg Carlson DCO RLS LATA: Lafayette LA (488) Tandem: N/A 🔧 Explore Switch(CLLI: LWTLLAMARS1)) 🕘 Prefix History 🔎 Explore Carrier Information
337-543-8XXX	LA	TERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)	0021193057	RMD0001495	145J	LAWTELL	NOCLLIKNOWN	10/17/2023	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Lafayette LA (488) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information