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
903-636TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154BIG SANDYBGSNTXXADS000/00/0000Prefix Type: RBOC
Switch Name: BIG SANDY
Switch Type: NTDMSHSO
LATA: Longview TX (554)
Tandem: LGVWTXPL03T
Detailed Switch Info
Thousands block for 903-636
903-636-4TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154BIG SANDYBGSNTXXADS0N/APrefix Type: RBOC
Switch Name: BIG SANDY
Switch Type: NTDMSHSO
LATA: Longview TX (554)
Tandem: LGVWTXPL03T
Detailed Switch Info
903-636-5TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154BIG SANDYBGSNTXXADS0N/APrefix Type: RBOC
Switch Name: BIG SANDY
Switch Type: NTDMSHSO
LATA: Longview TX (554)
Tandem: LGVWTXPL03T
Detailed Switch Info
903-636-9TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)2154BIG SANDYBGSNTXXADS0N/APrefix Type: RBOC
Switch Name: BIG SANDY
Switch Type: NTDMSHSO
LATA: Longview TX (554)
Tandem: LGVWTXPL03T
Detailed Switch Info