NumberResearchRecent thousands-block assignments
23 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026
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 737
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 |
|---|---|---|---|---|---|---|---|
| 2015-12-02 | 737-207-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | 7138 | AUSTIN | TX |
| 2015-12-02 | 737-212-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | AUSTIN | TX |
| 2015-12-02 | 737-708-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | AUSTIN | TX |
| 2015-12-02 | 737-708-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | AUSTIN | TX |
| 2015-11-25 | 737-201-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | TAYLOR | TX |
| 2015-11-25 | 737-201-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | TAYLOR | TX |
| 2015-11-24 | 737-206-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-11-24 | 737-206-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-11-24 | 737-206-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | BASTROP | TX |
| 2015-11-24 | 737-618-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | LAMPASAS | TX |
| 2015-11-24 | 737-618-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | LAMPASAS | TX |
| 2015-11-24 | 737-843-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7249 | LEANDER | TX |
| 2015-11-18 | 737-204-0XXX | 0000–0999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2015-11-18 | 737-204-1XXX | 1000–1999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2015-11-18 | 737-204-2XXX | 2000–2999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2015-11-18 | 737-204-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2015-11-18 | 737-204-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2015-11-18 | 737-204-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2015-11-18 | 737-204-6XXX | 6000–6999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2015-11-18 | 737-204-7XXX | 7000–7999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2015-11-18 | 737-204-8XXX | 8000–8999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2015-11-18 | 737-204-9XXX | 9000–9999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2015-11-18 | 737-207-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | 7138 | AUSTIN | TX |
| 2015-11-18 | 737-212-0XXX | 0000–0999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | AUSTIN | TX |
| 2015-11-18 | 737-212-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | AUSTIN | TX |
| 2015-11-10 | 737-203-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AUSTIN | TX |
| 2015-11-10 | 737-203-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AUSTIN | TX |
| 2015-11-10 | 737-701-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AUSTIN | TX |
| 2015-11-10 | 737-701-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AUSTIN | TX |
| 2015-11-10 | 737-701-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AUSTIN | TX |
| 2015-10-30 | 737-203-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2015-10-30 | 737-203-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2015-10-30 | 737-203-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2015-10-30 | 737-203-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2015-10-30 | 737-400-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2015-10-30 | 737-400-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2015-10-21 | 737-203-8XXX | 8000–8999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | AUSTIN | TX |
| 2015-10-21 | 737-203-9XXX | 9000–9999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | AUSTIN | TX |
| 2015-10-13 | 737-200-0XXX | 0000–0999 | Assigned | ONVOY, LLC - TX | 903C | ELGIN | TX |
| 2015-10-13 | 737-200-2XXX | 2000–2999 | Assigned | ONVOY, LLC - TX | 903C | ELGIN | TX |
| 2015-10-13 | 737-203-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | AUSTIN | TX |
| 2015-10-13 | 737-400-0XXX | 0000–0999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2015-10-13 | 737-400-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2015-10-12 | 737-701-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | AUSTIN | TX |
| 2015-10-08 | 737-808-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GEORGETOWN | TX |
| 2015-10-08 | 737-808-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GEORGETOWN | TX |
| 2015-09-30 | 737-701-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | AUSTIN | TX |
| 2015-09-30 | 737-802-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | AUSTIN | TX |
| 2015-09-24 | 737-802-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | AUSTIN | TX |
| 2015-09-24 | 737-802-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | AUSTIN | TX |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.