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
281-260TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-272TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 281-272
281-272-0TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-272-1TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-272-2TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-272-4TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-272-5TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-272-7TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-272-8TXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534HSTNSUBURBHSTNTXAIDS011/17/2023Prefix Type: WIRELESS
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-272-9TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-405TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-445TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-447TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 281-447
281-447-0TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-447-1TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-447-2TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-447-3TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-447-4TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-447-5TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-447-6TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-447-7TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-447-8TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-448TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-591TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 281-591
281-591-0TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-591-1TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-591-2TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-591-3TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-591-4TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-591-5TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-591-6TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-591-7TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-591-8TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-760TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 281-760
281-760-0TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-820TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-847TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-878TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 281-878
281-878-0TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-878-1TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-878-2TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-878-3TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-878-4TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-878-5TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-878-6TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-878-7TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-878-8TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-931TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-978TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 281-978
281-978-7TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-978-8TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-978-9TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS0N/APrefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-999TXSOUTHWESTERN BELL9533HSTNSUBURBHSTNTXAIDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON AIRLINE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
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