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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
972-257TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344IRVINGIRNGTXXADS000/00/0000Prefix Type: RBOC
Switch Name: IRVING WEST
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
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