NumberResearchThousands-blocks in 972-876
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 972-876 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2012-07-24 | 972-876-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | ENNIS | TX |
| — | 972-876-1XXX | 1000–1999 | Reserved | SOUTHWESTERN BELL | 9533 | ENNIS | TX |
| 2012-12-06 | 972-876-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | ENNIS | TX |
| 2009-10-28 | 972-876-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ENNIS | TX |
| 2010-11-05 | 972-876-4XXX | 4000–4999 | Assigned | AT&T ENTERPRISES, LLC | 516C | ENNIS | TX |
| 2018-01-16 | 972-876-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | ENNIS | TX |
| 2012-12-06 | 972-876-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | ENNIS | TX |
| 2009-02-09 | 972-876-7XXX | 7000–7999 | Assigned | ONVOY, LLC - TX | 903C | ENNIS | TX |
| 2012-07-24 | 972-876-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | ENNIS | TX |
| 2012-05-15 | 972-876-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | ENNIS | 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.