NumberResearchThousands-blocks in 920-937
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026
The ten 1,000-number thousand-blocks inside prefix 920-937 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 920 blocks
Most active assignees, all time — NPA 920
New assignments by month
Sep 2026
Aug 2026
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Apr 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2018-08-23 | 920-937-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | OAKFIELD | WI |
| 2025-02-28 | 920-937-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | OAKFIELD | WI |
| 2021-05-27 | 920-937-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | OAKFIELD | WI |
| 2020-02-20 | 920-937-3XXX | 3000–3999 | Assigned | ONVOY, LLC - WI | 225C | OAKFIELD | WI |
| 2021-05-04 | 920-937-4XXX | 4000–4999 | Assigned | ONVOY, LLC - WI | 225C | OAKFIELD | WI |
| — | 920-937-5XXX | 5000–5999 | Available | OAKFIELD | WI | ||
| 2021-08-09 | 920-937-6XXX | 6000–6999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | OAKFIELD | WI |
| 2021-03-15 | 920-937-7XXX | 7000–7999 | Assigned | ONVOY, LLC - WI | 225C | OAKFIELD | WI |
| 2025-01-22 | 920-937-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | OAKFIELD | WI |
| — | 920-937-9XXX | 9000–9999 | Available | OAKFIELD | WI |
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.