NumberResearchThousands-blocks in 681-620
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 681-620 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 |
|---|---|---|---|---|---|---|---|
| 2014-03-06 | 681-620-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - WV | 6284 | KEYSER | WV |
| 2015-01-15 | 681-620-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - WV | 080F | KEYSER | WV |
| 2024-01-11 | 681-620-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | KEYSER | WV |
| — | 681-620-3XXX | 3000–3999 | Available | KEYSER | WV | ||
| — | 681-620-4XXX | 4000–4999 | Available | KEYSER | WV | ||
| 2018-09-27 | 681-620-5XXX | 5000–5999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - WV | 077G | KEYSER | WV |
| 2019-01-11 | 681-620-6XXX | 6000–6999 | Assigned | UNITED STATES CELLULAR - WV | 6284 | KEYSER | WV |
| 2016-09-28 | 681-620-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - WV | 9944 | KEYSER | WV |
| 2014-06-12 | 681-620-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | KEYSER | WV |
| 2016-04-19 | 681-620-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | KEYSER | 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.