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
281-424TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344BAYTOWNBYTWTXXBDS000/00/0000Prefix Type: RBOC
Switch Name: BAYTOWN WEST
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-838TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344BAYTOWNBYTWTXXBDS000/00/0000Prefix Type: RBOC
Switch Name: BAYTOWN WEST
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
Thousands block for 281-838
281-838-1TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344BAYTOWNBYTWTXXBDS0N/APrefix Type: RBOC
Switch Name: BAYTOWN WEST
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-838-3TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344BAYTOWNBYTWTXXBDS0N/APrefix Type: RBOC
Switch Name: BAYTOWN WEST
Switch Type: GTD5EAX
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info