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
281-328TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CROSBYCRSBTXXADS100/00/0000Prefix Type: RBOC
Switch Name: CROSBY
Switch Type: NTDMS100
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-462TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CROSBYCRSBTXXADS100/00/0000Prefix Type: RBOC
Switch Name: CROSBY
Switch Type: NTDMS100
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
Thousands block for 281-462
281-462-0TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CROSBYCRSBTXXADS1N/APrefix Type: RBOC
Switch Name: CROSBY
Switch Type: NTDMS100
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-462-1TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CROSBYCRSBTXXADS1N/APrefix Type: RBOC
Switch Name: CROSBY
Switch Type: NTDMS100
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-462-2TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CROSBYCRSBTXXADS1N/APrefix Type: RBOC
Switch Name: CROSBY
Switch Type: NTDMS100
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-462-3TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CROSBYCRSBTXXADS1N/APrefix Type: RBOC
Switch Name: CROSBY
Switch Type: NTDMS100
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-462-8TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344CROSBYCRSBTXXADS1N/APrefix Type: RBOC
Switch Name: CROSBY
Switch Type: NTDMS100
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
281-462-9TXLEVEL 3 COMMUNICATIONS, LLC - TX (CenturyLink, Inc)6114CROSBYCRSBTXXADS106/13/2018Prefix Type: CLEC
Switch Name: CROSBY
Switch Type: NTDMS100
LATA: Houston TX (560)
Tandem: BYTWTXXA01T
Detailed Switch Info
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