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Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

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

npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
281-470TXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-471TXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-842TXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-842 is split into 1,000-number blocks - detail below
281-842-0XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-842-1XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-842-3XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-842-4XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-842-5XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-842-6XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-842-7XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-842-8XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-842-9XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-867TXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-867 is split into 1,000-number blocks - detail below
281-867-0XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-867-1XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-867-2XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-867-3XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-867-4XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
281-867-9XXXTXSOUTHWESTERN BELLN/A9533LA PORTEHSTNTXLPDS0N/APrefix Type: RBOC
Switch Name: HOUSTON LA PORTE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXLPDS0))
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