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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
563-689IAPRESTON TEL. CO.1276PRESTONPSTNIAXODS000/00/0000Prefix Type: ICO
Switch Name: PRESTON
Switch Type: Northern Telecom DMS10 (Digital)
LATA: Davenport IA (634)
Tandem: N/A
Detailed Switch Info
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