NumberResearchThousands-blocks in 239-579
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 239-579 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 239 blocks
Most active assignees, all time — NPA 239
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-02-24 | 239-579-0XXX | 0000–0999 | Assigned | COMCAST IP PHONE, LLC | 318J | SNCPVISNDS | FL |
| — | 239-579-1XXX | 1000–1999 | Reserved | PAETEC ITEL, LLC | 829J | SNCPVISNDS | FL |
| — | 239-579-2XXX | 2000–2999 | Reserved | PAETEC ITEL, LLC | 829J | SNCPVISNDS | FL |
| 2020-01-31 | 239-579-3XXX | 3000–3999 | Assigned | ONVOY, LLC - FL | 937C | SNCPVISNDS | FL |
| 2019-10-23 | 239-579-4XXX | 4000–4999 | Assigned | PEERLESS NETWORK OF FLORIDA, LLC - FL | 902E | SNCPVISNDS | FL |
| — | 239-579-5XXX | 5000–5999 | Reserved | PAETEC ITEL, LLC | 829J | SNCPVISNDS | FL |
| 2016-08-25 | 239-579-6XXX | 6000–6999 | Assigned | ONVOY, LLC - FL | 937C | SNCPVISNDS | FL |
| 2022-02-09 | 239-579-7XXX | 7000–7999 | Assigned | ONVOY, LLC - FL | 937C | SNCPVISNDS | FL |
| 2006-02-17 | 239-579-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | SNCPVISNDS | FL |
| 2016-08-25 | 239-579-9XXX | 9000–9999 | Assigned | ONVOY, LLC - FL | 937C | SNCPVISNDS | 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.