NumberResearchRecent thousands-block assignments
1 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, last 30 days — 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 |
|---|---|---|---|---|---|---|---|
| 2013-01-23 | 972-885-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | DALLAS | TX |
| 2013-01-23 | 972-885-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | DALLAS | TX |
| 2013-01-23 | 972-885-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | DALLAS | TX |
| 2013-01-23 | 972-885-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | DALLAS | TX |
| 2013-01-16 | 972-878-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | ENNIS | TX |
| 2013-01-11 | 972-810-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CARROLLTON | TX |
| 2012-12-18 | 972-597-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | ITALY | TX |
| 2012-12-17 | 972-204-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DALLAS | TX |
| 2012-12-17 | 972-885-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DALLAS | TX |
| 2012-12-13 | 972-598-0XXX | 0000–0999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | DALLAS | TX |
| 2012-12-13 | 972-598-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | DALLAS | TX |
| 2012-12-11 | 972-551-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | TERRELL | TX |
| 2012-12-10 | 972-872-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | 7148 | ENNIS | TX |
| 2012-12-06 | 972-876-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | ENNIS | TX |
| 2012-12-06 | 972-876-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | ENNIS | TX |
| 2012-12-05 | 972-441-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WILMER | TX |
| 2012-11-27 | 972-908-1XXX | 1000–1999 | Assigned | SOUTHWESTERN BELL | 9533 | ALLEN | TX |
| 2012-11-21 | 972-750-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | TERRELL | TX |
| 2012-11-20 | 972-666-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | BRISTOL | TX |
| 2012-11-19 | 972-449-1XXX | 1000–1999 | Assigned | ONVOY, LLC - TX | 903C | PALMER | TX |
| 2012-11-19 | 972-449-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | PALMER | TX |
| 2012-11-19 | 972-449-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | PALMER | TX |
| 2012-11-19 | 972-449-6XXX | 6000–6999 | Assigned | ONVOY, LLC - TX | 903C | PALMER | TX |
| 2012-11-19 | 972-525-1XXX | 1000–1999 | Assigned | ONVOY, LLC - TX | 903C | WILMER | TX |
| 2012-11-19 | 972-525-2XXX | 2000–2999 | Assigned | ONVOY, LLC - TX | 903C | WILMER | TX |
| 2012-11-19 | 972-525-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | WILMER | TX |
| 2012-11-19 | 972-750-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | TERRELL | TX |
| 2012-11-19 | 972-750-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | TERRELL | TX |
| 2012-11-19 | 972-914-0XXX | 0000–0999 | Assigned | ONVOY, LLC - TX | 903C | NEVADA | TX |
| 2012-11-19 | 972-914-1XXX | 1000–1999 | Assigned | ONVOY, LLC - TX | 903C | NEVADA | TX |
| 2012-11-19 | 972-914-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | NEVADA | TX |
| 2012-11-16 | 972-987-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | FRISCO | TX |
| 2012-11-15 | 972-217-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | DE SOTO | TX |
| 2012-11-15 | 972-382-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | CELINA | TX |
| 2012-11-15 | 972-472-0XXX | 0000–0999 | Assigned | ONVOY, LLC - TX | 903C | CRANDALL | TX |
| 2012-11-15 | 972-472-1XXX | 1000–1999 | Assigned | ONVOY, LLC - TX | 903C | CRANDALL | TX |
| 2012-11-15 | 972-472-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | CRANDALL | TX |
| 2012-11-15 | 972-694-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | JOSEPHINE | TX |
| 2012-11-15 | 972-694-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | JOSEPHINE | TX |
| 2012-11-15 | 972-752-1XXX | 1000–1999 | Assigned | ONVOY, LLC - TX | 903C | BLUE RIDGE | TX |
| 2012-11-15 | 972-914-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | NEVADA | TX |
| 2012-11-15 | 972-920-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | DE SOTO | TX |
| 2012-11-15 | 972-924-6XXX | 6000–6999 | Assigned | ONVOY, LLC - TX | 903C | ANNA | TX |
| 2012-11-12 | 972-483-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | ITALY | TX |
| 2012-11-12 | 972-878-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | ENNIS | TX |
| 2012-11-12 | 972-878-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | ENNIS | TX |
| 2012-11-12 | 972-878-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | ENNIS | TX |
| 2012-10-18 | 972-885-1XXX | 1000–1999 | Assigned | NUSO, LLC | 551G | DALLAS | TX |
| 2012-10-15 | 972-474-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | COMBINE | TX |
| 2012-10-15 | 972-872-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | 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.