NumberResearchThousands-blocks in 304-659
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 304-659 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 304 blocks
Most active assignees, all time — NPA 304
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 304-659-0XXX | 0000–0999 | Available | PENNSBORO | WV | ||
| 2010-02-09 | 304-659-1XXX | 1000–1999 | Assigned | ARMSTRONG TELECOMMUNICATIONS, INC. - WV | 423C | PENNSBORO | WV |
| — | 304-659-2XXX | 2000–2999 | Reserved | FRONTIER WEST VIRGINIA INC. | 9214 | PENNSBORO | WV |
| — | 304-659-3XXX | 3000–3999 | Reserved | FRONTIER WEST VIRGINIA INC. | 9214 | PENNSBORO | WV |
| 2021-05-06 | 304-659-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PENNSBORO | WV |
| 2021-02-26 | 304-659-5XXX | 5000–5999 | Assigned | ONVOY, LLC - WV | 449F | PENNSBORO | WV |
| 2019-06-26 | 304-659-6XXX | 6000–6999 | Assigned | ONVOY, LLC - WV | 449F | PENNSBORO | WV |
| 2004-03-08 | 304-659-7XXX | 7000–7999 | Assigned | CITYNET WEST VIRGINIA, LLC - WV | 545B | PENNSBORO | WV |
| 2015-08-31 | 304-659-8XXX | 8000–8999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | PENNSBORO | WV |
| 2021-06-28 | 304-659-9XXX | 9000–9999 | Assigned | ONVOY, LLC - WV | 449F | PENNSBORO | WV |
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.