NumberResearchThousands-blocks in 681-228
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/21/2026
The ten 1,000-number thousand-blocks inside prefix 681-228 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 681 blocks
Most active assignees, all time — NPA 681
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2019-06-17 | 681-228-0XXX | 0000–0999 | Assigned | ONVOY, LLC - WV | 449F | THOMAS | WV |
| — | 681-228-1XXX | 1000–1999 | Reserved | CORETEL WEST VIRGINIA, INC. - WV | 5833 | THOMAS | WV |
| 2018-12-21 | 681-228-2XXX | 2000–2999 | Assigned | ONVOY, LLC - WV | 449F | THOMAS | WV |
| 2025-06-18 | 681-228-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | THOMAS | WV |
| 2019-04-11 | 681-228-4XXX | 4000–4999 | Assigned | CORETEL WEST VIRGINIA, INC. - WV | 5833 | THOMAS | WV |
| 2019-06-17 | 681-228-5XXX | 5000–5999 | Assigned | ONVOY, LLC - WV | 449F | THOMAS | WV |
| 2020-07-21 | 681-228-6XXX | 6000–6999 | Assigned | ONVOY, LLC - WV | 449F | THOMAS | WV |
| 2019-04-11 | 681-228-7XXX | 7000–7999 | Assigned | CORETEL WEST VIRGINIA, INC. - WV | 5833 | THOMAS | WV |
| 2019-04-11 | 681-228-8XXX | 8000–8999 | Assigned | CORETEL WEST VIRGINIA, INC. - WV | 5833 | THOMAS | WV |
| 2014-04-24 | 681-228-9XXX | 9000–9999 | Assigned | IDT AMERICA, CORP. - WV | 317C | THOMAS | WV |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.