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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
313-628MIMICHIGAN BELL TEL CO (AT&T)9323DETROITZN1DTRTMIBHDS100/00/0000Prefix Type: RBOC
Switch Name: DTRT HDQTRS DS1
Switch Type: DMS100
LATA: Detroit MI (340)
Tandem: DTRTMIVW20T
Detailed Switch Info
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