NumberResearchRecent prefix assignments
59 prefixes assigned in December 2025 · from the daily NANPA CO code file, 09/18/2026
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, December 2025
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2025-12-05 | 260-381 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FORT WAYNE | IN |
| 2025-12-05 | 414-518 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MILWAUKZN1 | WI |
| 2025-12-05 | 414-521 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MILWAUKZN1 | WI |
| 2025-12-05 | 564-265 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LONGVIEW | WA |
| 2025-12-05 | 580-692 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ARDMORE | OK |
| 2025-12-05 | 984-406 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | RALEIGH | NC |
| 2025-12-05 | 984-407 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | RALEIGH | NC |
| 2025-12-04 | 385-619 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OGDEN | UT |
| 2025-12-03 | 321-530 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | COCOA | FL |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.