NumberResearchThousands-blocks in 712-206
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 712-206 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 712 blocks
Most active assignees, all time — NPA 712
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 |
|---|---|---|---|---|---|---|---|
| 2024-02-16 | 712-206-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ARMSTRONG | IA |
| 2024-07-17 | 712-206-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | ARMSTRONG | IA |
| 2021-08-11 | 712-206-2XXX | 2000–2999 | Assigned | ONVOY, LLC - IA | 221F | ARMSTRONG | IA |
| 2021-10-04 | 712-206-3XXX | 3000–3999 | Assigned | ONVOY, LLC - IA | 221F | ARMSTRONG | IA |
| 2021-12-03 | 712-206-4XXX | 4000–4999 | Assigned | ONVOY, LLC - IA | 221F | ARMSTRONG | IA |
| — | 712-206-5XXX | 5000–5999 | Available | ARMSTRONG | IA | ||
| — | 712-206-6XXX | 6000–6999 | Available | ARMSTRONG | IA | ||
| 2022-02-18 | 712-206-7XXX | 7000–7999 | Assigned | ONVOY, LLC - IA | 221F | ARMSTRONG | IA |
| 2022-02-18 | 712-206-8XXX | 8000–8999 | Assigned | ONVOY, LLC - IA | 221F | ARMSTRONG | IA |
| 2018-02-01 | 712-206-9XXX | 9000–9999 | Assigned | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | 1167 | ARMSTRONG | IA |
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.