NumberResearchThousands-blocks in 970-422
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 970-422 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 |
|---|---|---|---|---|---|---|---|
| 2014-08-04 | 970-422-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | DURANGO | CO |
| 2006-05-17 | 970-422-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | DURANGO | CO |
| 2014-08-20 | 970-422-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DURANGO | CO |
| 2007-02-08 | 970-422-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DURANGO | CO |
| — | 970-422-4XXX | 4000–4999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | DURANGO | CO |
| 2012-11-13 | 970-422-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CO | 026D | DURANGO | CO |
| 2014-12-02 | 970-422-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | DURANGO | CO |
| 2006-10-09 | 970-422-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CO | 026D | DURANGO | CO |
| 2008-10-22 | 970-422-8XXX | 8000–8999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | DURANGO | CO |
| 2012-11-13 | 970-422-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CO | 026D | 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.