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
972-843TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154NEVADANEVDTXXARS000/00/0000Prefix Type: RBOC
Switch Name: NEVADA
Switch Type: NTDMSREM
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
Thousands block for 972-843
972-843-0TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154NEVADANEVDTXXARS0N/APrefix Type: RBOC
Switch Name: NEVADA
Switch Type: NTDMSREM
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
972-843-2TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154NEVADANEVDTXXARS0N/APrefix Type: RBOC
Switch Name: NEVADA
Switch Type: NTDMSREM
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
972-843-3TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154NEVADANEVDTXXARS0N/APrefix Type: RBOC
Switch Name: NEVADA
Switch Type: NTDMSREM
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
972-843-4TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154NEVADANEVDTXXARS0N/APrefix Type: RBOC
Switch Name: NEVADA
Switch Type: NTDMSREM
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
972-843-6TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154NEVADANEVDTXXARS0N/APrefix Type: RBOC
Switch Name: NEVADA
Switch Type: NTDMSREM
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
972-843-8TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154NEVADANEVDTXXARS0N/APrefix Type: RBOC
Switch Name: NEVADA
Switch Type: NTDMSREM
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
972-853TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154NEVADANEVDTXXARS000/00/0000Prefix Type: RBOC
Switch Name: NEVADA
Switch Type: NTDMSREM
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
Thousands block for 972-853
972-853-0TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154NEVADANEVDTXXARS0N/APrefix Type: RBOC
Switch Name: NEVADA
Switch Type: NTDMSREM
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
972-853-2TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154NEVADANEVDTXXARS0N/APrefix Type: RBOC
Switch Name: NEVADA
Switch Type: NTDMSREM
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info