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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
704-764	NC	FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC (Frontier Communications)		N/A	4334	ALTON	ALTNNCXARS0	00/00/0000	Prefix Type: ICO Switch Name: ALTON Switch Type: AE-RSU LATA: Charlotte NC (422) Tandem: CHRLNCCA05T 🔧 Explore Switch(CLLI: ALTNNCXARS0))
704-764 is split into 1,000-number blocks - detail below
704-764-0XXX	NC	LEVEL 3 COMMUNICATIONS, LLC - NC (Lumen Technologies, Inc)	0015338122	RMD0006112	3235	ALTON	NOCLLIKNOWN	10/15/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Charlotte NC (422) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
704-764-1XXX	NC	LEVEL 3 COMMUNICATIONS, LLC - NC (Lumen Technologies, Inc)	0015338122	RMD0006112	3235	ALTON	NOCLLIKNOWN	08/16/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Charlotte NC (422) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
704-764-2XXX	NC	FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC (Frontier Communications)		N/A	4334	ALTON	ALTNNCXARS0	N/A	Prefix Type: ICO Switch Name: ALTON Switch Type: AE-RSU LATA: Charlotte NC (422) Tandem: CHRLNCCA05T 🔧 Explore Switch(CLLI: ALTNNCXARS0))
704-764-3XXX	NC	FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC (Frontier Communications)		N/A	4334	ALTON	ALTNNCXARS0	N/A	Prefix Type: ICO Switch Name: ALTON Switch Type: AE-RSU LATA: Charlotte NC (422) Tandem: CHRLNCCA05T 🔧 Explore Switch(CLLI: ALTNNCXARS0))
704-764-4XXX	NC	FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC (Frontier Communications)		N/A	4334	ALTON	ALTNNCXARS0	N/A	Prefix Type: ICO Switch Name: ALTON Switch Type: AE-RSU LATA: Charlotte NC (422) Tandem: CHRLNCCA05T 🔧 Explore Switch(CLLI: ALTNNCXARS0))
704-764-5XXX	NC	FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC (Frontier Communications)		N/A	4334	ALTON	ALTNNCXARS0	N/A	Prefix Type: ICO Switch Name: ALTON Switch Type: AE-RSU LATA: Charlotte NC (422) Tandem: CHRLNCCA05T 🔧 Explore Switch(CLLI: ALTNNCXARS0))
704-764-6XXX	NC	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC	0004999405	RMD0002957	7835	ALTON	CHRXNCYIDS0	05/18/2004	Prefix Type: CLEC Switch Name: CHARLOTTE Switch Type: Northern Telecom DMS 250 LATA: Charlotte NC (422) Tandem: N/A 🔧 Explore Switch(CLLI: CHRXNCYIDS0))
704-764-7XXX	NC	FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC (Frontier Communications)		N/A	4334	ALTON	ALTNNCXARS0	N/A	Prefix Type: ICO Switch Name: ALTON Switch Type: AE-RSU LATA: Charlotte NC (422) Tandem: CHRLNCCA05T 🔧 Explore Switch(CLLI: ALTNNCXARS0))
704-764-8XXX	NC	FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC (Frontier Communications)		N/A	4334	ALTON	ALTNNCXARS0	N/A	Prefix Type: ICO Switch Name: ALTON Switch Type: AE-RSU LATA: Charlotte NC (422) Tandem: CHRLNCCA05T 🔧 Explore Switch(CLLI: ALTNNCXARS0))
704-764-9XXX	NC	FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC (Frontier Communications)		N/A	4334	ALTON	ALTNNCXARS0	N/A	Prefix Type: ICO Switch Name: ALTON Switch Type: AE-RSU LATA: Charlotte NC (422) Tandem: CHRLNCCA05T 🔧 Explore Switch(CLLI: ALTNNCXARS0))