Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
956-347TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344LYFORDLYFRTXXADS000/00/0000Prefix Type: RBOC
Switch Name: LYFORD
Switch Type: NTDMSSSO
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
Detailed Switch Info
Thousands block for 956-347
956-347-2TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344LYFORDLYFRTXXADS0N/APrefix Type: RBOC
Switch Name: LYFORD
Switch Type: NTDMSSSO
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
Detailed Switch Info
956-347-3TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344LYFORDLYFRTXXADS0N/APrefix Type: RBOC
Switch Name: LYFORD
Switch Type: NTDMSSSO
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
Detailed Switch Info
956-347-5TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344LYFORDLYFRTXXADS0N/APrefix Type: RBOC
Switch Name: LYFORD
Switch Type: NTDMSSSO
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
Detailed Switch Info
956-347-9TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344LYFORDLYFRTXXADS0N/APrefix Type: RBOC
Switch Name: LYFORD
Switch Type: NTDMSSSO
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
Detailed Switch Info