NumberResearchThousands-blocks in 262-397
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 262-397 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 262 blocks
Most active assignees, all time — NPA 262
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2025-07-23 | 262-397-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | HARTFORD | WI |
| 2021-11-05 | 262-397-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HARTFORD | WI |
| — | 262-397-2XXX | 2000–2999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - WI | 5489 | HARTFORD | WI |
| — | 262-397-3XXX | 3000–3999 | Available | HARTFORD | WI | ||
| 2017-04-12 | 262-397-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | HARTFORD | WI |
| 2012-09-26 | 262-397-5XXX | 5000–5999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | HARTFORD | WI |
| 2006-10-13 | 262-397-6XXX | 6000–6999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | HARTFORD | WI |
| 2009-05-04 | 262-397-7XXX | 7000–7999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | HARTFORD | WI |
| 2007-02-06 | 262-397-8XXX | 8000–8999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | HARTFORD | WI |
| 2021-11-18 | 262-397-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - WI | 007F | HARTFORD | WI |
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.