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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
972-417TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344CARROLLTONCRTNTXXDDS000/00/0000Prefix Type: RBOC
Switch Name: CARROLLTON SE
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
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