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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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
281-209TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-230TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-231TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS001/20/2004Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 281-231
281-231-1TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS001/22/2004Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-233TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-443TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-742TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 281-742
281-742-5TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-784TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 281-784
281-784-1TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-784-4TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-784-5TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-784-6TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-784-7TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-784-8TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS0N/APrefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-821TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-879TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 713-879
713-879-0TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-879-1TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-879-2TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-879-3TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-879-4TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-879-5TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-879-6TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-879-7TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-879-8TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-879-9TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS003/14/2008Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
832-957TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS008/04/2014Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 832-957
832-957-8TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS008/05/2014Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
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