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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
734-668MIMICHIGAN BELL TEL CO (AT&T)9323ANN ARBORANARMIMNDS000/00/0000Prefix Type: RBOC
Switch Name: ANN ARBOR DS0
Switch Type: 5ESS
LATA: Detroit MI (340)
Tandem: ANARMIMN20T
Detailed Switch Info