NumberResearchThousands-blocks in 321-966
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 321-966 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 321 blocks
Most active assignees, all time — NPA 321
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 |
|---|---|---|---|---|---|---|---|
| 2021-07-22 | 321-966-0XXX | 0000–0999 | Assigned | IP HORIZON LLC | 515J | COCOA | FL |
| 2021-08-26 | 321-966-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | COCOA | FL |
| 2021-07-09 | 321-966-2XXX | 2000–2999 | Assigned | ONVOY, LLC - FL | 937C | COCOA | FL |
| 2021-07-09 | 321-966-3XXX | 3000–3999 | Assigned | ONVOY, LLC - FL | 937C | COCOA | FL |
| 2021-07-09 | 321-966-4XXX | 4000–4999 | Assigned | ONVOY, LLC - FL | 937C | COCOA | FL |
| 2021-08-26 | 321-966-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | COCOA | FL |
| 2021-05-04 | 321-966-6XXX | 6000–6999 | Assigned | FRACTEL, LLC | 965H | COCOA | FL |
| 2021-08-26 | 321-966-7XXX | 7000–7999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | COCOA | FL |
| 2021-08-26 | 321-966-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | COCOA | FL |
| 2021-08-26 | 321-966-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | COCOA | FL |
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.