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
830-644TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344STONEWALLSTNWTXXARS000/00/0000Prefix Type: RBOC
Switch Name: STONEWALL
Switch Type: NTDMSRSE
LATA: San Antonio TX (566)
Tandem: FRBGTXXA02T
Detailed Switch Info
Thousands block for 830-644
830-644-2TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344STONEWALLSTNWTXXARS0N/APrefix Type: RBOC
Switch Name: STONEWALL
Switch Type: NTDMSRSE
LATA: San Antonio TX (566)
Tandem: FRBGTXXA02T
Detailed Switch Info
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