NumberResearchRecent thousands-block assignments
12 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/26/2026
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, last 30 days — NPA 837
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2026-09-14 | 837-777-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CA | 649C | TRUCKEE | CA |
| 2026-09-02 | 837-200-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | NTAH THCY | CA |
| 2026-09-02 | 837-200-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | NTAH THCY | CA |
| 2026-09-02 | 837-222-2XXX | 2000–2999 | Assigned | OPENTACT INC. | 824J | RED BLUFF | CA |
| 2026-09-02 | 837-333-3XXX | 3000–3999 | Assigned | EXIANT COMMUNICATIONS LLC | 114J | REDDING | CA |
| 2026-09-02 | 837-444-4XXX | 4000–4999 | Assigned | EXIANT COMMUNICATIONS LLC | 114J | CHICO | CA |
| 2026-09-01 | 837-999-1XXX | 1000–1999 | Assigned | WIDE VOICE, LLC - CA | 252F | NEVADACITY | CA |
| 2026-09-01 | 837-999-9XXX | 9000–9999 | Assigned | WIDE VOICE, LLC - CA | 252F | NEVADACITY | CA |
| 2026-08-28 | 837-776-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | REDDING | CA |
| 2026-08-28 | 837-888-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | SHINGLESPG | CA |
| 2026-08-27 | 837-777-7XXX | 7000–7999 | Assigned | WIDE VOICE, LLC - CA | 252F | TRUCKEE | CA |
| 2026-08-27 | 837-777-8XXX | 8000–8999 | Assigned | WIDE VOICE, LLC - CA | 252F | TRUCKEE | CA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/26/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.