NumberResearchRecent prefix assignments
35 prefixes assigned in the last 30 days · 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, last 30 days
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2024-05-14 | 951-740 | ONVOY, LLC - CA | 649C | TEMECULA | CA |
| 2024-04-29 | 442-460 | ONVOY, LLC - CA | 649C | CALEXICO | CA |
| 2024-04-29 | 925-486 | ONVOY, LLC - CA | 649C | DANVILLE | CA |
| 2024-04-18 | 628-997 | ONVOY, LLC - CA | 649C | SNFC CNTRL | CA |
| 2024-04-18 | 661-995 | ONVOY, LLC - CA | 649C | BKFD MAIN | CA |
| 2024-04-18 | 949-816 | ONVOY, LLC - CA | 649C | LAGUNA BCH | CA |
| 2024-04-09 | 279-260 | ONVOY, LLC - CA | 649C | SCRM MAIN | CA |
| 2024-04-09 | 747-358 | ONVOY, LLC - CA | 649C | SNFN PACM | CA |
| 2024-03-26 | 279-259 | ONVOY, LLC - CA | 649C | RSVL MAIN | CA |
| 2024-03-21 | 442-457 | ONVOY, LLC - CA | 649C | VTVL ADLN | CA |
| 2024-03-21 | 562-604 | ONVOY, LLC - CA | 649C | WHITTIER | CA |
| 2024-03-21 | 820-226 | ONVOY, LLC - CA | 649C | EL RIO | CA |
| 2024-03-21 | 831-286 | ONVOY, LLC - CA | 649C | GREENFIELD | CA |
| 2024-03-19 | 279-280 | ONVOY, LLC - CA | 649C | SCRM NORTH | CA |
| 2024-03-19 | 619-960 | ONVOY, LLC - CA | 649C | CHULAVISTA | CA |
| 2024-03-18 | 341-250 | ONVOY, LLC - CA | 649C | OKLD FRTVL | CA |
| 2024-03-18 | 626-752 | ONVOY, LLC - CA | 649C | PSDN PSDN | CA |
| 2024-03-18 | 628-303 | ONVOY, LLC - CA | 649C | SNFC CNTRL | CA |
| 2024-03-18 | 747-359 | ONVOY, LLC - CA | 649C | BRBN BRBN | CA |
| 2024-03-18 | 747-360 | ONVOY, LLC - CA | 649C | VAN NUYS | CA |
| 2024-03-18 | 840-254 | ONVOY, LLC - CA | 649C | RIALTO | CA |
| 2024-03-18 | 840-255 | ONVOY, LLC - CA | 649C | S BERNDINO | CA |
| 2024-03-14 | 442-453 | ONVOY, LLC - CA | 649C | VTVL HSPR | CA |
| 2024-03-14 | 619-912 | ONVOY, LLC - CA | 649C | EL CAJON | CA |
| 2024-03-14 | 661-928 | ONVOY, LLC - CA | 649C | BKFD SOUTH | CA |
| 2024-03-14 | 669-341 | ONVOY, LLC - CA | 649C | SNJS WEST | CA |
| 2024-03-14 | 747-357 | ONVOY, LLC - CA | 649C | SNFN SPLV | CA |
| 2024-03-13 | 805-894 | ONVOY, LLC - CA | 649C | SANTA YNEZ | CA |
| 2024-03-11 | 442-450 | ONVOY, LLC - CA | 649C | TWNTYNPLMS | CA |
| 2024-03-11 | 442-452 | ONVOY, LLC - CA | 649C | VALLEY CTR | CA |
| 2024-03-11 | 530-765 | ONVOY, LLC - CA | 649C | RED BLUFF | CA |
| 2024-03-11 | 619-910 | ONVOY, LLC - CA | 649C | NATIONALCY | CA |
| 2024-02-29 | 424-509 | ONVOY, LLC - CA | 649C | INGLEWOOD | CA |
| 2024-02-07 | 341-246 | ONVOY, LLC - CA | 649C | FRNK OLIVR | CA |
| 2024-02-07 | 341-247 | ONVOY, LLC - CA | 649C | RICHMOND | CA |
| 2024-02-07 | 341-248 | ONVOY, LLC - CA | 649C | FRNK GRNLF | CA |
| 2024-01-31 | 951-725 | ONVOY, LLC - CA | 649C | HEMT HMLD | CA |
| 2024-01-31 | 951-726 | ONVOY, LLC - CA | 649C | HEMT SNJC | CA |
| 2024-01-30 | 442-434 | ONVOY, LLC - CA | 649C | INDIO | CA |
| 2024-01-30 | 442-435 | ONVOY, LLC - CA | 649C | PALM SPG | CA |
| 2024-01-29 | 949-807 | ONVOY, LLC - CA | 649C | NEWPORTBCH | CA |
| 2024-01-29 | 949-810 | ONVOY, LLC - CA | 649C | SADLBK VLY | CA |
| 2024-01-29 | 951-720 | ONVOY, LLC - CA | 649C | CORONA | CA |
| 2024-01-26 | 424-506 | ONVOY, LLC - CA | 649C | REDONDO | CA |
| 2024-01-26 | 424-507 | ONVOY, LLC - CA | 649C | CMTN CMTN | CA |
| 2024-01-25 | 279-255 | ONVOY, LLC - CA | 649C | SCRM MAIN | CA |
| 2024-01-25 | 279-256 | ONVOY, LLC - CA | 649C | FOLSOM | CA |
| 2024-01-25 | 949-805 | ONVOY, LLC - CA | 649C | IRVINE | CA |
| 2024-01-24 | 341-245 | ONVOY, LLC - CA | 649C | HAYWARD | CA |
| 2024-01-24 | 619-604 | ONVOY, LLC - CA | 649C | SNDG SNDG | 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.