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
214-815TXSOUTHWESTERN BELL9533DALLASDLLSTXTADS100/00/0000Prefix Type: RBOC
Switch Name: DALLAS TAYLOR
Switch Type: Northern Telecom DMS200 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
Thousands block for 214-815
214-815-1TXSOUTHWESTERN BELL9533DALLASDLLSTXTADS1N/APrefix Type: RBOC
Switch Name: DALLAS TAYLOR
Switch Type: Northern Telecom DMS200 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
214-815-2TXSOUTHWESTERN BELL9533DALLASDLLSTXTADS1N/APrefix Type: RBOC
Switch Name: DALLAS TAYLOR
Switch Type: Northern Telecom DMS200 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
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