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
281-936TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS010/22/2001Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 281-936
281-936-2TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-936-3TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-936-4TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-936-5TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-936-6TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-936-7TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-293TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 713-293
713-293-0TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-293-1TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-293-3TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-293-4TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-293-5TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-293-6TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-293-7TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-293-8TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-293-9TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-314TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 713-314
713-314-1TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-314-2TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-314-3TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-314-4TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-314-5TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-314-8TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-314-9TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-426TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-802TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-803TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 713-803
713-803-0TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-803-1TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-803-3TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-803-4TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-803-5TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-803-6TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-803-7TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-803-8TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-803-9TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-861TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-862TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-863TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 713-863
713-863-0TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-863-1TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-863-2TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-863-3TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-863-4TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-863-7TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-863-8TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-863-9TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-864TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-865TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 713-865
713-865-4TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-865-5TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-865-7TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-865-8TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-865-9TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-866TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-867TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-868TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-869TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
713-880TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
832-618TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 832-618
832-618-1TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
832-673TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS000/00/0000Prefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 832-673
832-673-0TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
832-673-2TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
832-673-3TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
832-673-4TXSOUTHWESTERN BELL9533HOUSTONHSTNTXUNDS0N/APrefix Type: RBOC
Switch Name: Underwood
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Member of The Internet Defense League