NumberResearchThousands-blocks in 276-492
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 276-492 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 276 blocks
Most active assignees, all time — NPA 276
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-04-15 | 276-492-0XXX | 0000–0999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ABINGDON | VA |
| — | 276-492-1XXX | 1000–1999 | Reserved | METROPCS, INC. | 5562 | ABINGDON | VA |
| 2004-03-17 | 276-492-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - VA | 8825 | ABINGDON | VA |
| — | 276-492-3XXX | 3000–3999 | Reserved | SUNCOM DBA T-MOBILE USA | 8645 | ABINGDON | VA |
| 2005-11-03 | 276-492-4XXX | 4000–4999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ABINGDON | VA |
| 2006-09-26 | 276-492-5XXX | 5000–5999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ABINGDON | VA |
| — | 276-492-6XXX | 6000–6999 | Reserved | SUNCOM DBA T-MOBILE USA | 8645 | ABINGDON | VA |
| 2007-04-05 | 276-492-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ABINGDON | VA |
| 2004-08-09 | 276-492-8XXX | 8000–8999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ABINGDON | VA |
| — | 276-492-9XXX | 9000–9999 | Reserved | SUNCOM DBA T-MOBILE USA | 8645 | ABINGDON | VA |
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.