NumberResearchRecent prefix assignments
31 prefixes assigned in August 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, August 2026
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-08-28 | 837-776 | ONVOY, LLC - CA | 649C | REDDING | CA |
| 2026-08-28 | 837-888 | ONVOY, LLC - CA | 649C | SHINGLESPG | CA |
| 2026-08-27 | 424-583 | ONVOY, LLC - CA | 649C | TORRANCE | CA |
| 2026-08-27 | 747-392 | ONVOY, LLC - CA | 649C | AGOURA | CA |
| 2026-08-27 | 820-251 | ONVOY, LLC - CA | 649C | PASOROBLES | CA |
| 2026-08-27 | 925-591 | ONVOY, LLC - CA | 649C | LIVERMORE | CA |
| 2026-08-27 | 951-854 | ONVOY, LLC - CA | 649C | HEMT SNJC | CA |
| 2026-08-26 | 530-951 | ONVOY, LLC - CA | 649C | MARYSVILLE | CA |
| 2026-08-21 | 350-263 | ONVOY, LLC - CA | 649C | MODESTO | CA |
| 2026-08-21 | 530-858 | ONVOY, LLC - CA | 649C | REDDING | CA |
| 2026-08-21 | 650-840 | ONVOY, LLC - CA | 649C | REDWOOD CY | CA |
| 2026-08-21 | 951-819 | ONVOY, LLC - CA | 649C | HEMT HEMT | CA |
| 2026-08-21 | 951-820 | ONVOY, LLC - CA | 649C | TEMECULA | CA |
| 2026-08-19 | 350-262 | ONVOY, LLC - CA | 649C | STOCKTON | CA |
| 2026-08-19 | 424-578 | ONVOY, LLC - CA | 649C | INGLEWOOD | CA |
| 2026-08-19 | 424-579 | ONVOY, LLC - CA | 649C | REDONDO | CA |
| 2026-08-19 | 424-580 | ONVOY, LLC - CA | 649C | SAN PEDRO | CA |
| 2026-08-19 | 424-582 | ONVOY, LLC - CA | 649C | W ANGELES | CA |
| 2026-08-19 | 650-792 | ONVOY, LLC - CA | 649C | PALO ALTO | CA |
| 2026-08-19 | 738-208 | ONVOY, LLC - CA | 649C | LSAN DA 09 | CA |
| 2026-08-19 | 738-209 | ONVOY, LLC - CA | 649C | LSAN DA 13 | CA |
| 2026-08-19 | 949-920 | ONVOY, LLC - CA | 649C | IRVINE | CA |
| 2026-08-11 | 350-260 | ONVOY, LLC - CA | 649C | DOS PALOS | CA |
| 2026-08-11 | 424-575 | ONVOY, LLC - CA | 649C | CMTN GRDN | CA |
| 2026-08-11 | 840-293 | ONVOY, LLC - CA | 649C | ETIWANDA | CA |
| 2026-08-07 | 341-269 | ONVOY, LLC - CA | 649C | FRNK MAIN | CA |
| 2026-08-07 | 562-812 | ONVOY, LLC - CA | 649C | LONG BEACH | CA |
| 2026-08-07 | 747-390 | ONVOY, LLC - CA | 649C | NORTHRIDGE | CA |
| 2026-08-07 | 747-391 | ONVOY, LLC - CA | 649C | SNFN SNFN | CA |
| 2026-08-07 | 858-464 | ONVOY, LLC - CA | 649C | CHULAVISTA | CA |
| 2026-08-07 | 858-468 | ONVOY, LLC - CA | 649C | SNDG MRMS | 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.