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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
616-391MIMICHIGAN BELL TEL CO (AT&T)9323GRAND RPDSGDRPMIBLDS100/00/0000Prefix Type: RBOC
Switch Name: GRAND RAPIDS BL DS1
Switch Type: DMS100
LATA: Grand Rapids MI (348)
Tandem: GDRPMIBL21T
Detailed Switch Info