NumberResearchThousands-blocks in 970-539
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 970-539 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 970-539-0XXX | 0000–0999 | Reserved | T-MOBILE USA, INC. | 6529 | GREELEY | CO |
| — | 970-539-1XXX | 1000–1999 | Reserved | T-MOBILE USA, INC. | 6529 | GREELEY | CO |
| — | 970-539-2XXX | 2000–2999 | Reserved | T-MOBILE USA, INC. | 6529 | GREELEY | CO |
| — | 970-539-3XXX | 3000–3999 | Reserved | T-MOBILE USA, INC. | 6529 | GREELEY | CO |
| — | 970-539-4XXX | 4000–4999 | Reserved | T-MOBILE USA, INC. | 6529 | GREELEY | CO |
| — | 970-539-5XXX | 5000–5999 | Reserved | T-MOBILE USA, INC. | 6529 | GREELEY | CO |
| 2014-08-20 | 970-539-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | GREELEY | CO |
| — | 970-539-7XXX | 7000–7999 | Reserved | T-MOBILE USA, INC. | 6529 | GREELEY | CO |
| — | 970-539-8XXX | 8000–8999 | Reserved | T-MOBILE USA, INC. | 6529 | GREELEY | CO |
| 2010-11-02 | 970-539-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CO | 026D | GREELEY | 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.