NumberResearchThousands-blocks in 304-885
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 304-885 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
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2006-10-09 | 304-885-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - WV | 9944 | CHARLES TN | WV |
| 2019-06-17 | 304-885-1XXX | 1000–1999 | Assigned | ONVOY, LLC - WV | 449F | CHARLES TN | WV |
| 2009-03-06 | 304-885-2XXX | 2000–2999 | Assigned | CORETEL WEST VIRGINIA, INC. - WV | 5833 | CHARLES TN | WV |
| 2012-06-05 | 304-885-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - WV | 080F | CHARLES TN | WV |
| 2003-02-27 | 304-885-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - WV | 9944 | CHARLES TN | WV |
| 2006-03-06 | 304-885-5XXX | 5000–5999 | Assigned | CITIZENS TEL CO OF WV DBA FRONTIER OF WV | 0270 | CHARLES TN | WV |
| 2014-02-14 | 304-885-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - WV | 077G | CHARLES TN | WV |
| 2014-09-25 | 304-885-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - WV | 9944 | CHARLES TN | WV |
| 2014-11-10 | 304-885-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | CHARLES TN | WV |
| 2008-10-27 | 304-885-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - WV | 080F | CHARLES TN | WV |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.