Input an Area Code (required) followed by the Prefix, or Exchange (optional):
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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
972-308TXAT&T CORP. (AT&T)516CDALLASRCSNTXHVBMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
Thousands block for 972-308
972-308-0TXSOUTHWESTERN BELL9533DALLASDLLSTXADDS0N/APrefix Type: RBOC
Switch Name: Addison DS0
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-308-1TXSOUTHWESTERN BELL9533DALLASDLLSTXADDS0N/APrefix Type: RBOC
Switch Name: Addison DS0
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-308-2TXSOUTHWESTERN BELL9533DALLASDLLSTXADDS0N/APrefix Type: RBOC
Switch Name: Addison DS0
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-308-3TXSOUTHWESTERN BELL9533DALLASDLLSTXRNDS0N/APrefix Type: RBOC
Switch Name: Richardson DS0
Switch Type: WECO 5ESS (Digital)
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-308-4TXSOUTHWESTERN BELL9533DALLASDLLSTXNODS0N/APrefix Type: RBOC
Switch Name: Northlake DS0
Switch Type: WECO 5ESS (Digital)
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-308-5TXSOUTHWESTERN BELL9533DALLASDLLSTXNODS0N/APrefix Type: RBOC
Switch Name: Northlake DS0
Switch Type: WECO 5ESS (Digital)
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-308-6TXAT&T CORP. (AT&T)516CDALLASRCSNTXHVBMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-308-7TXSOUTHWESTERN BELL9533DALLASDLLSTXADDS0N/APrefix Type: RBOC
Switch Name: Addison DS0
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-308-8TXSOUTHWESTERN BELL9533DALLASDLLSTXADDS0N/APrefix Type: RBOC
Switch Name: Addison DS0
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
972-308-9TXSOUTHWESTERN BELL9533DALLASDLLSTXADDS0N/APrefix Type: RBOC
Switch Name: Addison DS0
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info