NumberResearchThousands-blocks in 920-399
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 920-399 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2018-09-27 | 920-399-0XXX | 0000–0999 | Assigned | ONVOY, LLC - WI | 225C | OCONTO FLS | WI |
| 2013-02-20 | 920-399-1XXX | 1000–1999 | Assigned | PLTC, LLC - WI | 375F | OCONTO FLS | WI |
| 2020-12-31 | 920-399-2XXX | 2000–2999 | Assigned | ONVOY, LLC - WI | 225C | OCONTO FLS | WI |
| 2020-12-31 | 920-399-3XXX | 3000–3999 | Assigned | ONVOY, LLC - WI | 225C | OCONTO FLS | WI |
| 2021-05-25 | 920-399-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | OCONTO FLS | WI |
| — | 920-399-5XXX | 5000–5999 | Available | OCONTO FLS | WI | ||
| 2018-03-01 | 920-399-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC WI | 7216 | OCONTO FLS | WI |
| 2014-10-23 | 920-399-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | OCONTO FLS | WI |
| 2019-05-21 | 920-399-8XXX | 8000–8999 | Assigned | ONVOY, LLC - WI | 225C | OCONTO FLS | WI |
| 2018-07-03 | 920-399-9XXX | 9000–9999 | Assigned | INTEGRATED PATH COMMUNICATIONS, LLC - WI | 766H | OCONTO FLS | 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.