NumberResearchThousands-blocks in 970-426
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 970-426 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 970 blocks
Most active assignees, all time — NPA 970
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2013-03-14 | 970-426-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CO | 026D | DURANGO | CO |
| 2007-04-24 | 970-426-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | DURANGO | CO |
| 2006-08-02 | 970-426-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | DURANGO | CO |
| 2016-04-27 | 970-426-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | DURANGO | CO |
| 2014-12-17 | 970-426-4XXX | 4000–4999 | Assigned | FASTTRACK COMMUNICATIONS, INC. - CO | 330B | DURANGO | CO |
| 2013-04-25 | 970-426-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - CO | 078F | DURANGO | CO |
| 2015-04-01 | 970-426-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | DURANGO | CO |
| 2006-03-22 | 970-426-7XXX | 7000–7999 | Assigned | QWEST CORPORATION | 9636 | DURANGO | CO |
| — | 970-426-8XXX | 8000–8999 | Reserved | T-MOBILE USA, INC. | 6529 | DURANGO | CO |
| — | 970-426-9XXX | 9000–9999 | Reserved | METROPCS, INC. | 5562 | DURANGO | CO |
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.