npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
313-345 | MI | MICHIGAN BELL TEL CO (AT&T) | 9323 | DETROITZN4 | DTRTMIUVDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: DTRT UNIVERSITY DS0 Switch Type: DMS100 LATA: Detroit MI (340) Tandem: DTRTMIVW20T Detailed Switch Info |