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
214-483TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS000/00/0000Prefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
Thousands block for 214-483
214-483-8TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS0N/APrefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-306TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS000/00/0000Prefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-307TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS000/00/0000Prefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-662TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS000/00/0000Prefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
Thousands block for 972-662
972-662-0TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS0N/APrefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-662-1TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS0N/APrefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-662-2TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS0N/APrefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-662-3TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS0N/APrefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-662-4TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS0N/APrefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-662-5TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS0N/APrefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-662-6TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS0N/APrefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-662-7TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS0N/APrefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-662-9TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS0N/APrefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-862TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CARROLLTONCRTNTXXCDS000/00/0000Prefix Type: RBOC
Switch Name: CARROLLTON NE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info