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
972-872TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS000/00/0000Prefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
Thousands block for 972-872
972-872-2TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS0N/APrefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-872-3TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS0N/APrefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-872-7TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS0N/APrefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-872-9TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS0N/APrefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-875TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS000/00/0000Prefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-876TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS000/00/0000Prefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
Thousands block for 972-876
972-876-1TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS0N/APrefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-878TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS000/00/0000Prefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
Thousands block for 972-878
972-878-0TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS0N/APrefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-878-1TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS0N/APrefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-878-2TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS0N/APrefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-878-6TXSOUTHWESTERN BELL9533ENNISENNSTXTRDS0N/APrefix Type: RBOC
Switch Name: Ennis
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
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