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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
563-589IAQWEST CORPORATION9631DUBUQUEDUBQIATCDS000/00/0000Prefix Type: RBOC
Switch Name: DUBUQUE-DOWNTOWN
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Davenport IA (634)
Tandem: DVNPIAEA17T
Detailed Switch Info
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