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
940-243TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-297TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
Thousands block for 940-297
940-297-0TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-297-2TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS108/31/2004Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-297-3TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS108/31/2004Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-297-4TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS108/31/2004Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-320TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
Thousands block for 940-320
940-320-0TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-320-1TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-320-2TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-320-3TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-320-4TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-320-5TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-320-6TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-320-7TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-320-8TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-323TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-349TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
Thousands block for 940-349
940-349-1TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-349-2TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-349-3TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-349-4TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-349-5TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-349-7TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-349-8TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-349-9TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-369TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-380TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-381TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-382TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-383TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-384TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-387TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-483TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-484TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-565TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-566TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-591TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-891TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
940-898TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
Detailed Switch Info
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