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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
520-378AZQWEST CORPORATION9636SIERRAVISTSRVSAZSODS000/00/0000Prefix Type: RBOC
Switch Name: SIERRA VISTA SO
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
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