npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
608-550 | WI | AMERICAN MESSAGING SERVICES, LLC | 9748 | MADISON | MDSNWI11XIX | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southwestern WI (354) Tandem: N/A Detailed Switch Info |