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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
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
972-878-3TXT-MOBILE USA, INC. (T-Mobile US, Inc)6529ENNISDLLTTX01CMD11/12/2012Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-878-4TXT-MOBILE USA, INC. (T-Mobile US, Inc)6529ENNISDLLTTX01CMD11/12/2012Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-878-5TXT-MOBILE USA, INC. (T-Mobile US, Inc)6529ENNISDLLTTX01CMD01/16/2018Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
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
972-878-7TXT-MOBILE USA, INC. (T-Mobile US, Inc)6529ENNISDLLTTX01CMD08/10/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-878-8TXT-MOBILE USA, INC. (T-Mobile US, Inc)6529ENNISDLLTTX01CMD01/16/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-878-9TXT-MOBILE USA, INC. (T-Mobile US, Inc)6529ENNISDLLTTX01CMD11/12/2012Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info