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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
512-509	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	GEORGETOWN	GRTWTXXADS0	00/00/0000	Prefix Type: CLEC Switch Name: GEORGETOWN Switch Type: GTD5EAX LATA: Austin TX (558) Tandem: AUSTTXHO01T 🔧 Explore Switch(CLLI: GRTWTXXADS0))
512-509 is split into 1,000-number blocks - detail below
512-509-0XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	GEORGETOWN	GRTWTXXADS0	06/20/2006	Prefix Type: CLEC Switch Name: GEORGETOWN Switch Type: GTD5EAX LATA: Austin TX (558) Tandem: AUSTTXHO01T 🔧 Explore Switch(CLLI: GRTWTXXADS0))
512-509-1XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	GEORGETOWN	GRTWTXXADS0	06/20/2006	Prefix Type: CLEC Switch Name: GEORGETOWN Switch Type: GTD5EAX LATA: Austin TX (558) Tandem: AUSTTXHO01T 🔧 Explore Switch(CLLI: GRTWTXXADS0))
512-509-2XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	GEORGETOWN	GRTWTXXADS0	06/20/2006	Prefix Type: CLEC Switch Name: GEORGETOWN Switch Type: GTD5EAX LATA: Austin TX (558) Tandem: AUSTTXHO01T 🔧 Explore Switch(CLLI: GRTWTXXADS0))
512-509-3XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	GEORGETOWN	GRTWTXXADS0	06/20/2006	Prefix Type: CLEC Switch Name: GEORGETOWN Switch Type: GTD5EAX LATA: Austin TX (558) Tandem: AUSTTXHO01T 🔧 Explore Switch(CLLI: GRTWTXXADS0))
512-509-4XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	GEORGETOWN	GRTWTXXADS0	06/20/2006	Prefix Type: CLEC Switch Name: GEORGETOWN Switch Type: GTD5EAX LATA: Austin TX (558) Tandem: AUSTTXHO01T 🔧 Explore Switch(CLLI: GRTWTXXADS0))
512-509-5XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	GEORGETOWN	GRTWTXXADS0	06/20/2006	Prefix Type: CLEC Switch Name: GEORGETOWN Switch Type: GTD5EAX LATA: Austin TX (558) Tandem: AUSTTXHO01T 🔧 Explore Switch(CLLI: GRTWTXXADS0))
512-509-6XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	GEORGETOWN	GRTWTXXADS0	06/20/2006	Prefix Type: CLEC Switch Name: GEORGETOWN Switch Type: GTD5EAX LATA: Austin TX (558) Tandem: AUSTTXHO01T 🔧 Explore Switch(CLLI: GRTWTXXADS0))
512-509-7XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	GEORGETOWN	GRTWTXXADS0	06/20/2006	Prefix Type: CLEC Switch Name: GEORGETOWN Switch Type: GTD5EAX LATA: Austin TX (558) Tandem: AUSTTXHO01T 🔧 Explore Switch(CLLI: GRTWTXXADS0))
512-509-8XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	GEORGETOWN	GRTWTXXADS0	06/20/2006	Prefix Type: CLEC Switch Name: GEORGETOWN Switch Type: GTD5EAX LATA: Austin TX (558) Tandem: AUSTTXHO01T 🔧 Explore Switch(CLLI: GRTWTXXADS0))
512-509-9XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	GEORGETOWN	GRTWTXXADS0	06/20/2006	Prefix Type: CLEC Switch Name: GEORGETOWN Switch Type: GTD5EAX LATA: Austin TX (558) Tandem: AUSTTXHO01T 🔧 Explore Switch(CLLI: GRTWTXXADS0))