| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 231-604 | MI | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | KALKASKA | GDRPMIBL44Z | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Grand Rapids MI (348) Tandem: N/A Detailed Switch Info |
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Last Updated: Sat Nov 23 07:44:14 2024