NumberResearchRecent prefix assignments
260 prefixes assigned in March 2026 · 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, March 2026
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-03-02 | 424-996 | ONVOY, LLC - CA | 649C | INGLEWOOD | CA |
| 2026-03-02 | 464-286 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FOREST | IL |
| 2026-03-02 | 681-598 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HNTNGTNZN1 | WV |
| 2026-03-02 | 682-487 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ARLINGTON | TX |
| 2026-03-02 | 689-371 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | WINTERPARK | FL |
| 2026-03-02 | 817-324 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ARLINGTON | TX |
| 2026-03-02 | 826-286 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | FREDECKSBG | VA |
| 2026-03-02 | 942-234 | Iristel Inc. | 154E | Toronto | — |
| 2026-03-02 | 948-261 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NRFOLKZON3 | VA |
| 2026-03-02 | 973-719 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | ROCKAWAY | NJ |
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.