Input a CLLI:

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npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
940-243TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-297TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-297 is split into 1,000-number blocks - detail below
940-297-0XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-320TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-320 is split into 1,000-number blocks - detail below
940-320-0XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-320-1XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-320-2XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-320-3XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-320-4XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-320-5XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-320-6XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-320-7XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-320-8XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-323TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-349TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-349 is split into 1,000-number blocks - detail below
940-349-1XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-349-3XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-349-4XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-349-5XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-349-7XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-349-8XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-349-9XXXTXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS1N/APrefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-369TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-380TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-381TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-382TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-383TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-384TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-387TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-483TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-484TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-565TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-566TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-591TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-891TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
940-898TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Verizon Communications)N/AN/A4344DENTONDNTNTXXADS100/00/0000Prefix Type: RBOC
Switch Name: DMS
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: DNTNTXXA04T
🔧 Explore Switch(CLLI: DNTNTXXADS1))
🕘 Prefix History
🔎 Explore Carrier Information
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