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
959-240	CT	TELEPORT COMMUNICATIONS AMERICA, LLC - CT (AT&T)	0004274114	RMD0003897	7143	HARTFORD	HRFRCT0383Z	12/06/2022	Prefix Type: CLEC Switch Name: HARTFORD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCT0383Z))
959-240 is split into 1,000-number blocks - detail below
959-240-0XXX	CT	BANDWIDTH.COM CLEC, LLC - CT	0017042060	RMD0003709	199F	HARTFORD	NOCLLIKNOWN	02/22/2023	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
959-240-1XXX	CT	OMNIPOINT COMMUNICATIONS, INC. - CT (T-Mobile US, Inc)		N/A	6624	HARTFORD	BLFDCTAP2MD	06/22/2023	Prefix Type: PCS Switch Name: BLOOMFIELD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: BLFDCTAP2MD))
959-240-2XXX	CT	TELEPORT COMMUNICATIONS AMERICA, LLC - CT (AT&T)	0004274114	RMD0003897	7143	HARTFORD	HRFRCT0383Z	12/06/2022	Prefix Type: CLEC Switch Name: HARTFORD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCT0383Z))
959-240-3XXX	CT	TELEPORT COMMUNICATIONS AMERICA, LLC - CT (AT&T)	0004274114	RMD0003897	7143	HARTFORD	HRFRCT0383Z	12/06/2022	Prefix Type: CLEC Switch Name: HARTFORD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCT0383Z))
959-240-4XXX	CT	TELEPORT COMMUNICATIONS AMERICA, LLC - CT (AT&T)	0004274114	RMD0003897	7143	HARTFORD	HRFRCT0383Z	12/06/2022	Prefix Type: CLEC Switch Name: HARTFORD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCT0383Z))
959-240-5XXX	CT	TELEPORT COMMUNICATIONS AMERICA, LLC - CT (AT&T)	0004274114	RMD0003897	7143	HARTFORD	HRFRCT0383Z	12/06/2022	Prefix Type: CLEC Switch Name: HARTFORD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCT0383Z))
959-240-6XXX	CT	TELEPORT COMMUNICATIONS AMERICA, LLC - CT (AT&T)	0004274114	RMD0003897	7143	HARTFORD	HRFRCT0383Z	12/06/2022	Prefix Type: CLEC Switch Name: HARTFORD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCT0383Z))
959-240-7XXX	CT	TELEPORT COMMUNICATIONS AMERICA, LLC - CT (AT&T)	0004274114	RMD0003897	7143	HARTFORD	HRFRCT0383Z	12/06/2022	Prefix Type: CLEC Switch Name: HARTFORD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCT0383Z))
959-240-8XXX	CT	TELEPORT COMMUNICATIONS AMERICA, LLC - CT (AT&T)	0004274114	RMD0003897	7143	HARTFORD	HRFRCT0383Z	12/06/2022	Prefix Type: CLEC Switch Name: HARTFORD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCT0383Z))
959-240-9XXX	CT	TELEPORT COMMUNICATIONS AMERICA, LLC - CT (AT&T)	0004274114	RMD0003897	7143	HARTFORD	HRFRCT0383Z	12/06/2022	Prefix Type: CLEC Switch Name: HARTFORD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCT0383Z))