NumberResearchThousands-blocks in 920-310
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 920-310 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 |
|---|---|---|---|---|---|---|---|
| 2015-05-06 | 920-310-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - WI | 007F | KEWAUNEE | WI |
| 2015-12-31 | 920-310-1XXX | 1000–1999 | Assigned | PEERLESS NETWORK OF WISCONSIN, LLC - WI | 227F | KEWAUNEE | WI |
| 2016-03-15 | 920-310-2XXX | 2000–2999 | Assigned | ONVOY, LLC - WI | 225C | KEWAUNEE | WI |
| 2016-03-15 | 920-310-3XXX | 3000–3999 | Assigned | ONVOY, LLC - WI | 225C | KEWAUNEE | WI |
| 2016-01-20 | 920-310-4XXX | 4000–4999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC WI | 7216 | KEWAUNEE | WI |
| 2018-07-02 | 920-310-5XXX | 5000–5999 | Assigned | INTEGRATED PATH COMMUNICATIONS, LLC - WI | 766H | KEWAUNEE | WI |
| 2018-08-20 | 920-310-6XXX | 6000–6999 | Assigned | ONVOY, LLC - WI | 225C | KEWAUNEE | WI |
| 2016-04-22 | 920-310-7XXX | 7000–7999 | Assigned | ONVOY, LLC - WI | 225C | KEWAUNEE | WI |
| 2016-04-22 | 920-310-8XXX | 8000–8999 | Assigned | ONVOY, LLC - WI | 225C | KEWAUNEE | WI |
| 2023-12-11 | 920-310-9XXX | 9000–9999 | Assigned | ONVOY, LLC - WI | 225C | KEWAUNEE | WI |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.