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
972-924TXSOUTHWESTERN BELL9533ANNAANNATXWARS100/00/0000Prefix Type: RBOC
Switch Name: ANNA
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
Thousands block for 972-924
972-924-1TXSOUTHWESTERN BELL9533ANNAANNATXWARS1N/APrefix Type: RBOC
Switch Name: ANNA
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-924-2TXSOUTHWESTERN BELL9533ANNAANNATXWARS1N/APrefix Type: RBOC
Switch Name: ANNA
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-924-3TXSOUTHWESTERN BELL9533ANNAANNATXWARS1N/APrefix Type: RBOC
Switch Name: ANNA
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-924-4TXSOUTHWESTERN BELL9533ANNAANNATXWARS1N/APrefix Type: RBOC
Switch Name: ANNA
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-924-8TXSOUTHWESTERN BELL9533ANNAANNATXWARS1N/APrefix Type: RBOC
Switch Name: ANNA
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info