NumberResearchThousands-blocks in 970-733
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 970-733 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
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2023-06-27 | 970-733-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CO | 026D | DOLORES | CO |
| 2024-12-26 | 970-733-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CO | 078F | DOLORES | CO |
| 2026-06-01 | 970-733-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DOLORES | CO |
| 2022-02-17 | 970-733-3XXX | 3000–3999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | DOLORES | CO |
| — | 970-733-4XXX | 4000–4999 | Available | DOLORES | CO | ||
| — | 970-733-5XXX | 5000–5999 | Available | DOLORES | CO | ||
| 2023-02-09 | 970-733-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | DOLORES | CO |
| 2025-05-12 | 970-733-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DOLORES | CO |
| 2022-02-24 | 970-733-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CO | 026D | DOLORES | CO |
| 2025-07-30 | 970-733-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - CO | 078F | DOLORES | 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.