NumberResearchRecent prefix assignments
23 prefixes assigned in July 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, July 2026
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-07-30 | 707-821 | ONVOY, LLC - CA | 649C | EUREKA | CA |
| 2026-07-30 | 858-460 | ONVOY, LLC - CA | 649C | EL CAJON | CA |
| 2026-07-30 | 925-840 | ONVOY, LLC - CA | 649C | ANTIOCH | CA |
| 2026-07-28 | 341-268 | ONVOY, LLC - CA | 649C | FRNK OLIVR | CA |
| 2026-07-28 | 562-782 | ONVOY, LLC - CA | 649C | PICORIVERA | CA |
| 2026-07-28 | 747-387 | ONVOY, LLC - CA | 649C | SNFN SPLV | CA |
| 2026-07-28 | 840-291 | ONVOY, LLC - CA | 649C | S BERNDINO | CA |
| 2026-07-24 | 341-266 | ONVOY, LLC - CA | 649C | OKLD BKLY | CA |
| 2026-07-24 | 341-267 | ONVOY, LLC - CA | 649C | OKLD TRNID | CA |
| 2026-07-24 | 530-818 | ONVOY, LLC - CA | 649C | MARYSVILLE | CA |
| 2026-07-24 | 747-386 | ONVOY, LLC - CA | 649C | VAN NUYS | CA |
| 2026-07-24 | 820-248 | ONVOY, LLC - CA | 649C | SANTAMARIA | CA |
| 2026-07-24 | 831-365 | ONVOY, LLC - CA | 649C | SANTA CRUZ | CA |
| 2026-07-24 | 840-290 | ONVOY, LLC - CA | 649C | UPLAND | CA |
| 2026-07-24 | 949-918 | ONVOY, LLC - CA | 649C | SADLBK VLY | CA |
| 2026-07-24 | 949-927 | ONVOY, LLC - CA | 649C | NEWPORTBCH | CA |
| 2026-07-22 | 530-714 | ONVOY, LLC - CA | 649C | COTTONWOOD | CA |
| 2026-07-21 | 840-289 | ONVOY, LLC - CA | 649C | DIAMONDBAR | CA |
| 2026-07-21 | 925-653 | ONVOY, LLC - CA | 649C | CONCORD | CA |
| 2026-07-21 | 951-829 | ONVOY, LLC - CA | 649C | CORONA | CA |
| 2026-07-09 | 279-295 | ONVOY, LLC - CA | 649C | SO PLACER | CA |
| 2026-07-09 | 562-838 | ONVOY, LLC - CA | 649C | DOWNEY | CA |
| 2026-07-09 | 650-791 | ONVOY, LLC - CA | 649C | HALFMOONBY | CA |
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.