npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
517-546 | MI | MICHIGAN BELL TEL CO (AT&T) | 9323 | HOWELL | HOWLMIMNDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: HOWELL Switch Type: 5ESS LATA: Detroit MI (340) Tandem: ANARMIMN20T Detailed Switch Info |