NumberResearchThousands-blocks in 970-529
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 970-529 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 |
|---|---|---|---|---|---|---|---|
| 2010-10-12 | 970-529-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CORTEZ | CO |
| — | 970-529-1XXX | 1000–1999 | Reserved | QWEST CORPORATION | 9636 | CORTEZ | CO |
| 2006-05-08 | 970-529-2XXX | 2000–2999 | Assigned | FASTTRACK COMMUNICATIONS, INC. - CO | 330B | CORTEZ | CO |
| 2006-07-26 | 970-529-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CORTEZ | CO |
| — | 970-529-4XXX | 4000–4999 | Reserved | QWEST CORPORATION | 9636 | CORTEZ | CO |
| — | 970-529-5XXX | 5000–5999 | Assigned (pending) | CORTEZ | CO | ||
| 2007-01-11 | 970-529-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CORTEZ | CO |
| 2007-08-30 | 970-529-7XXX | 7000–7999 | Assigned | FASTTRACK COMMUNICATIONS, INC. - CO | 330B | CORTEZ | CO |
| 2010-07-01 | 970-529-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CORTEZ | CO |
| 2020-08-20 | 970-529-9XXX | 9000–9999 | Assigned | FRACTEL, LLC | 965H | CORTEZ | 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.