| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 903-943 | TX | USA MOBILITY WIRELESS, INC. (Spok, Inc) | 6630 | SHERMAN | DLLSTX97DSS | 09/12/2001 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Dallas TX (552) Tandem: N/A Detailed Switch Info |
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Last Updated: Sat Feb 15 03:59:25 2025