NumberResearchThousands-blocks in 563-294
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 563-294 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 563 blocks
Most active assignees, all time — NPA 563
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2021-05-21 | 563-294-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | WEST UNION | IA |
| 2021-03-12 | 563-294-1XXX | 1000–1999 | Assigned | AIRUS, INC - IA | 423H | WEST UNION | IA |
| 2021-06-18 | 563-294-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WEST UNION | IA |
| 2021-10-05 | 563-294-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WEST UNION | IA |
| 2021-11-15 | 563-294-4XXX | 4000–4999 | Assigned | UNITED STATES CELLULAR - IA | 6266 | WEST UNION | IA |
| 2023-04-03 | 563-294-5XXX | 5000–5999 | Assigned | AIRUS, INC - IA | 423H | WEST UNION | IA |
| 2025-07-22 | 563-294-6XXX | 6000–6999 | Assigned | IP HORIZON LLC | 515J | WEST UNION | IA |
| — | 563-294-7XXX | 7000–7999 | Available | WEST UNION | IA | ||
| 2021-03-29 | 563-294-8XXX | 8000–8999 | Assigned | ONVOY, LLC - IA | 221F | WEST UNION | IA |
| 2021-03-29 | 563-294-9XXX | 9000–9999 | Assigned | ONVOY, LLC - IA | 221F | WEST UNION | IA |
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.