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
281-324TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344HUFFMANHFMNTXXADS000/00/0000Prefix Type: RBOC
Switch Name: HUFFMAN
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
Thousands block for 281-324
281-324-1TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344HUFFMANHFMNTXXADS0N/APrefix Type: RBOC
Switch Name: HUFFMAN
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-324-2TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344HUFFMANHFMNTXXADS0N/APrefix Type: RBOC
Switch Name: HUFFMAN
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-324-3TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344HUFFMANHFMNTXXADS0N/APrefix Type: RBOC
Switch Name: HUFFMAN
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-324-4TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344HUFFMANHFMNTXXADS0N/APrefix Type: RBOC
Switch Name: HUFFMAN
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-324-5TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344HUFFMANHFMNTXXADS0N/APrefix Type: RBOC
Switch Name: HUFFMAN
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-324-6TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344HUFFMANHFMNTXXADS0N/APrefix Type: RBOC
Switch Name: HUFFMAN
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-324-7TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344HUFFMANHFMNTXXADS0N/APrefix Type: RBOC
Switch Name: HUFFMAN
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-324-9TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344HUFFMANHFMNTXXADS0N/APrefix Type: RBOC
Switch Name: HUFFMAN
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
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