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
512-856TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154COUPLANDCPLDTXXARS000/00/0000Prefix Type: RBOC
Switch Name: COUPLAND
Switch Type: NTDMSRLC
LATA: Austin TX (558)
Tandem: AUSTTXHO01T
Detailed Switch Info
Thousands block for 512-856
512-856-0TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154COUPLANDCPLDTXXARS0N/APrefix Type: RBOC
Switch Name: COUPLAND
Switch Type: NTDMSRLC
LATA: Austin TX (558)
Tandem: AUSTTXHO01T
Detailed Switch Info
512-856-2TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154COUPLANDCPLDTXXARS0N/APrefix Type: RBOC
Switch Name: COUPLAND
Switch Type: NTDMSRLC
LATA: Austin TX (558)
Tandem: AUSTTXHO01T
Detailed Switch Info
512-856-3TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154COUPLANDCPLDTXXARS0N/APrefix Type: RBOC
Switch Name: COUPLAND
Switch Type: NTDMSRLC
LATA: Austin TX (558)
Tandem: AUSTTXHO01T
Detailed Switch Info