NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, all time — NPA 435
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 | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2025-09-18 | 435-368-0XXX | 0000–0999 | Assigned | ONVOY, LLC - UT | 871E | LOGAN | UT |
| 2025-02-12 | 435-354-1XXX | 1000–1999 | Assigned | ONVOY, LLC - UT | 871E | TOOELE | UT |
| 2024-06-12 | 435-691-6XXX | 6000–6999 | Assigned | ONVOY, LLC - UT | 871E | CEDAR CITY | UT |
| 2024-06-05 | 435-361-9XXX | 9000–9999 | Assigned | ONVOY, LLC - UT | 871E | LOGAN | UT |
| 2024-05-15 | 435-301-0XXX | 0000–0999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2024-05-15 | 435-351-3XXX | 3000–3999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2024-04-30 | 435-667-6XXX | 6000–6999 | Assigned | ONVOY, LLC - UT | 871E | BRIGHAM CY | UT |
| 2024-04-17 | 435-354-0XXX | 0000–0999 | Assigned | ONVOY, LLC - UT | 871E | TOOELE | UT |
| 2024-04-09 | 435-288-6XXX | 6000–6999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2024-03-18 | 435-317-4XXX | 4000–4999 | Assigned | ONVOY, LLC - UT | 871E | LOGAN | UT |
| 2024-03-18 | 435-361-0XXX | 0000–0999 | Assigned | ONVOY, LLC - UT | 871E | LOGAN | UT |
| 2024-01-08 | 435-357-2XXX | 2000–2999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2023-11-03 | 435-324-0XXX | 0000–0999 | Assigned | ONVOY, LLC - UT | 871E | HEBER CITY | UT |
| 2023-09-27 | 435-324-4XXX | 4000–4999 | Assigned | ONVOY, LLC - UT | 871E | HEBER CITY | UT |
| 2023-09-27 | 435-324-5XXX | 5000–5999 | Assigned | ONVOY, LLC - UT | 871E | HEBER CITY | UT |
| 2023-09-27 | 435-324-6XXX | 6000–6999 | Assigned | ONVOY, LLC - UT | 871E | HEBER CITY | UT |
| 2023-09-27 | 435-324-7XXX | 7000–7999 | Assigned | ONVOY, LLC - UT | 871E | HEBER CITY | UT |
| 2023-09-27 | 435-324-8XXX | 8000–8999 | Assigned | ONVOY, LLC - UT | 871E | HEBER CITY | UT |
| 2023-09-27 | 435-432-0XXX | 0000–0999 | Assigned | ONVOY, LLC - UT | 871E | PROMONTORY | UT |
| 2023-09-27 | 435-432-5XXX | 5000–5999 | Assigned | ONVOY, LLC - UT | 871E | PROMONTORY | UT |
| 2023-09-27 | 435-701-4XXX | 4000–4999 | Assigned | ONVOY, LLC - UT | 871E | CEDAR CITY | UT |
| 2023-08-17 | 435-264-9XXX | 9000–9999 | Assigned | ONVOY, LLC - UT | 871E | NAT BRIDGE | UT |
| 2023-07-12 | 435-288-7XXX | 7000–7999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2023-07-12 | 435-317-5XXX | 5000–5999 | Assigned | ONVOY, LLC - UT | 871E | LOGAN | UT |
| 2023-07-12 | 435-319-7XXX | 7000–7999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2023-07-12 | 435-351-0XXX | 0000–0999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2023-07-12 | 435-351-4XXX | 4000–4999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2023-07-12 | 435-351-5XXX | 5000–5999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2023-07-12 | 435-351-6XXX | 6000–6999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2023-07-12 | 435-351-7XXX | 7000–7999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2023-07-12 | 435-351-8XXX | 8000–8999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2023-07-12 | 435-534-7XXX | 7000–7999 | Assigned | ONVOY, LLC - UT | 871E | LOGAN | UT |
| 2023-07-12 | 435-667-0XXX | 0000–0999 | Assigned | ONVOY, LLC - UT | 871E | BRIGHAM CY | UT |
| 2023-07-12 | 435-667-1XXX | 1000–1999 | Assigned | ONVOY, LLC - UT | 871E | BRIGHAM CY | UT |
| 2023-07-12 | 435-667-3XXX | 3000–3999 | Assigned | ONVOY, LLC - UT | 871E | BRIGHAM CY | UT |
| 2023-06-26 | 435-775-5XXX | 5000–5999 | Assigned | ONVOY, LLC - UT | 871E | TOOELE | UT |
| 2023-04-11 | 435-309-4XXX | 4000–4999 | Assigned | ONVOY, LLC - UT | 871E | GLNCNYONCY | UT |
| 2023-04-11 | 435-351-1XXX | 1000–1999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2023-04-11 | 435-351-2XXX | 2000–2999 | Assigned | ONVOY, LLC - UT | 871E | ST GEORGE | UT |
| 2022-11-21 | 435-866-7XXX | 7000–7999 | Assigned | ONVOY, LLC - UT | 871E | PORTAGE | UT |
| 2022-10-19 | 435-266-0XXX | 0000–0999 | Assigned | ONVOY, LLC - UT | 871E | LYNNDYL | UT |
| 2022-10-19 | 435-266-9XXX | 9000–9999 | Assigned | ONVOY, LLC - UT | 871E | LYNNDYL | UT |
| 2022-10-10 | 435-254-9XXX | 9000–9999 | Assigned | ONVOY, LLC - UT | 871E | PORTAGE | UT |
| 2022-10-10 | 435-264-1XXX | 1000–1999 | Assigned | ONVOY, LLC - UT | 871E | NAT BRIDGE | UT |
| 2022-10-10 | 435-264-7XXX | 7000–7999 | Assigned | ONVOY, LLC - UT | 871E | NAT BRIDGE | UT |
| 2022-10-10 | 435-866-8XXX | 8000–8999 | Assigned | ONVOY, LLC - UT | 871E | PORTAGE | UT |
| 2022-08-30 | 435-264-0XXX | 0000–0999 | Assigned | ONVOY, LLC - UT | 871E | NAT BRIDGE | UT |
| 2022-08-16 | 435-254-0XXX | 0000–0999 | Assigned | ONVOY, LLC - UT | 871E | PORTAGE | UT |
| 2022-07-01 | 435-254-5XXX | 5000–5999 | Assigned | ONVOY, LLC - UT | 871E | PORTAGE | UT |
| 2021-12-29 | 435-254-1XXX | 1000–1999 | Assigned | ONVOY, LLC - UT | 871E | PORTAGE | UT |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.