npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
586-306 | MI | NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless) | 6534 | WARREN | DTRTMIAPG00 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A Detailed Switch Info |