NumberResearchThousands-blocks in 972-210
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 972-210 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 972 blocks
Most active assignees, all time — NPA 972
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 |
|---|---|---|---|---|---|---|---|
| 2012-02-23 | 972-210-0XXX | 0000–0999 | Assigned | ONVOY, LLC - TX | 903C | TERRELL | TX |
| 2012-02-01 | 972-210-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | TERRELL | TX |
| 2011-05-31 | 972-210-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | TERRELL | TX |
| 2011-09-19 | 972-210-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TERRELL | TX |
| 2003-03-25 | 972-210-4XXX | 4000–4999 | Assigned | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | TERRELL | TX |
| 2014-03-05 | 972-210-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | TERRELL | TX |
| 2015-07-17 | 972-210-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | TERRELL | TX |
| 2006-11-09 | 972-210-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | TERRELL | TX |
| 2003-10-01 | 972-210-8XXX | 8000–8999 | Assigned | ONVOY, LLC - TX | 903C | TERRELL | TX |
| 2012-10-05 | 972-210-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | TERRELL | TX |
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.