NumberResearchThousands-blocks in 920-245
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 920-245 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2021-06-03 | 920-245-0XXX | 0000–0999 | Assigned | ONVOY, LLC - WI | 225C | WATERTOWN | WI |
| 2011-01-19 | 920-245-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | WATERTOWN | WI |
| 2007-04-02 | 920-245-2XXX | 2000–2999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | WATERTOWN | WI |
| 2010-09-08 | 920-245-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - WI | 007F | WATERTOWN | WI |
| 2010-10-25 | 920-245-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | WATERTOWN | WI |
| 2010-05-24 | 920-245-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - WI | 007F | WATERTOWN | WI |
| 2013-04-08 | 920-245-6XXX | 6000–6999 | Assigned | PEERLESS NETWORK OF WISCONSIN, LLC - WI | 227F | WATERTOWN | WI |
| 2013-04-08 | 920-245-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF WISCONSIN, LLC - WI | 227F | WATERTOWN | WI |
| 2015-12-30 | 920-245-8XXX | 8000–8999 | Assigned | ONVOY, LLC - WI | 225C | WATERTOWN | WI |
| — | 920-245-9XXX | 9000–9999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC WI | 7216 | WATERTOWN | 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.