| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 920-258 | WI | SPOK, INC. (Spok, Inc) | 0015608417 | RMD0007858 | 6630 | OSHKOSH | APPLWIGD5MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: northeastern WI (350) Tandem: N/A Detailed Switch Info |
