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
281-209TXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-209 is split into 1,000-number blocks - detail below
281-209-0XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-209-1XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-209-2XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-209-3XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-209-4XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-209-6XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-209-7XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-209-8XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-209-9XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-230TXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-231TXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS001/20/2004Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-231 is split into 1,000-number blocks - detail below
281-231-1XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS001/22/2004Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-233TXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-443TXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-742TXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-742 is split into 1,000-number blocks - detail below
281-742-5XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-784TXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-784 is split into 1,000-number blocks - detail below
281-784-1XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-784-4XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-784-5XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-784-6XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-784-7XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-784-8XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
281-821TXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
713-879TXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
713-879 is split into 1,000-number blocks - detail below
713-879-0XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
713-879-1XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
713-879-2XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
713-879-3XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
713-879-4XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
713-879-5XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
713-879-6XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
713-879-7XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
713-879-8XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
713-879-9XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
832-957TXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS008/04/2014Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
832-957 is split into 1,000-number blocks - detail below
832-957-8XXXTXSOUTHWESTERN BELLN/A9533WESTFIELDHSTNTXWEDS008/05/2014Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXWEDS0))
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