TelcoData.US: Search by Area Code / Exchange

🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
346-259	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	BAYTOWN	HSTNTXGIDS0	03/16/2017	Prefix Type: CLEC Switch Name: HOUSTON Switch Type: N/A LATA: Houston TX (560) Tandem: N/A 🔧 Explore Switch(CLLI: HSTNTXGIDS0))
346-259 is split into 1,000-number blocks - detail below
346-259-0XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	BAYTOWN	HSTNTXGIDS0	03/20/2017	Prefix Type: CLEC Switch Name: HOUSTON Switch Type: N/A LATA: Houston TX (560) Tandem: N/A 🔧 Explore Switch(CLLI: HSTNTXGIDS0))
346-259-1XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	BAYTOWN	HSTNTXGIDS0	03/20/2017	Prefix Type: CLEC Switch Name: HOUSTON Switch Type: N/A LATA: Houston TX (560) Tandem: N/A 🔧 Explore Switch(CLLI: HSTNTXGIDS0))
346-259-2XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	BAYTOWN	HSTNTXGIDS0	03/20/2017	Prefix Type: CLEC Switch Name: HOUSTON Switch Type: N/A LATA: Houston TX (560) Tandem: N/A 🔧 Explore Switch(CLLI: HSTNTXGIDS0))
346-259-3XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	BAYTOWN	HSTNTXGIDS0	03/20/2017	Prefix Type: CLEC Switch Name: HOUSTON Switch Type: N/A LATA: Houston TX (560) Tandem: N/A 🔧 Explore Switch(CLLI: HSTNTXGIDS0))
346-259-4XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	BAYTOWN	HSTNTXGIDS0	03/20/2017	Prefix Type: CLEC Switch Name: HOUSTON Switch Type: N/A LATA: Houston TX (560) Tandem: N/A 🔧 Explore Switch(CLLI: HSTNTXGIDS0))
346-259-5XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	BAYTOWN	HSTNTXGIDS0	03/20/2017	Prefix Type: CLEC Switch Name: HOUSTON Switch Type: N/A LATA: Houston TX (560) Tandem: N/A 🔧 Explore Switch(CLLI: HSTNTXGIDS0))
346-259-6XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	BAYTOWN	HSTNTXGIDS0	03/20/2017	Prefix Type: CLEC Switch Name: HOUSTON Switch Type: N/A LATA: Houston TX (560) Tandem: N/A 🔧 Explore Switch(CLLI: HSTNTXGIDS0))
346-259-7XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	BAYTOWN	HSTNTXGIDS0	03/20/2017	Prefix Type: CLEC Switch Name: HOUSTON Switch Type: N/A LATA: Houston TX (560) Tandem: N/A 🔧 Explore Switch(CLLI: HSTNTXGIDS0))
346-259-8XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	BAYTOWN	HSTNTXGIDS0	03/20/2017	Prefix Type: CLEC Switch Name: HOUSTON Switch Type: N/A LATA: Houston TX (560) Tandem: N/A 🔧 Explore Switch(CLLI: HSTNTXGIDS0))
346-259-9XXX	TX	TELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)	0004274114	RMD0003897	7138	BAYTOWN	HSTNTXGIDS0	03/20/2017	Prefix Type: CLEC Switch Name: HOUSTON Switch Type: N/A LATA: Houston TX (560) Tandem: N/A 🔧 Explore Switch(CLLI: HSTNTXGIDS0))