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| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 970-421 | CO | NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless) | 0003291192 | RMD0036909 | 6010 | STEAMBOSPG | DNVRCOMD4MD | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Denver CO (656) Tandem: N/A 🔧 Explore Switch(CLLI: DNVRCOMD4MD)) |