NumberResearchRecent thousands-block assignments
2 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 425
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 |
|---|---|---|---|---|---|---|---|
| 2024-09-13 | 425-472-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA |
| 2024-09-13 | 425-516-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA |
| 2024-09-13 | 425-520-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA |
| 2024-09-13 | 425-536-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA |
| 2024-09-13 | 425-536-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | BELLEVUE | WA |
| 2024-09-13 | 425-570-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | HALLS LAKE | WA |
| 2024-09-13 | 425-570-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | HALLS LAKE | WA |
| 2024-08-30 | 425-570-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | HALLS LAKE | WA |
| 2024-08-30 | 425-967-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | HALLS LAKE | WA |
| 2024-08-29 | 425-331-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | ISSAQUAH | WA |
| 2024-08-29 | 425-494-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | ISSAQUAH | WA |
| 2024-07-23 | 425-561-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | HALLS LAKE | WA |
| 2024-07-23 | 425-561-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | HALLS LAKE | WA |
| 2024-07-23 | 425-561-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | HALLS LAKE | WA |
| 2024-06-21 | 425-560-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | KIRKLAND | WA |
| 2024-06-21 | 425-560-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | KIRKLAND | WA |
| 2024-06-10 | 425-540-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | BOTHELL | WA |
| 2024-06-10 | 425-540-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | BOTHELL | WA |
| 2024-06-10 | 425-832-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | ISSAQUAH | WA |
| 2024-06-10 | 425-832-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | ISSAQUAH | WA |
| 2024-06-06 | 425-461-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | AMES LAKE | WA |
| 2024-05-31 | 425-561-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | HALLS LAKE | WA |
| 2024-05-31 | 425-561-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | HALLS LAKE | WA |
| 2024-05-30 | 425-777-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | BELLEVUE | WA |
| 2024-05-13 | 425-560-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | KIRKLAND | WA |
| 2024-05-03 | 425-565-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | EVERETT | WA |
| 2024-05-03 | 425-565-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | EVERETT | WA |
| 2024-04-12 | 425-600-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | ISSAQUAH | WA |
| 2024-04-08 | 425-476-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | BOTHELL | WA |
| 2024-03-29 | 425-561-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | HALLS LAKE | WA |
| 2024-03-22 | 425-476-8XXX | 8000–8999 | Assigned | COMMIO, LLC | 939H | BOTHELL | WA |
| 2024-03-22 | 425-479-1XXX | 1000–1999 | Assigned | COMMIO, LLC | 939H | RENTON | WA |
| 2024-03-22 | 425-540-5XXX | 5000–5999 | Assigned | COMMIO, LLC | 939H | BOTHELL | WA |
| 2024-03-22 | 425-560-8XXX | 8000–8999 | Assigned | COMMIO, LLC | 939H | KIRKLAND | WA |
| 2024-03-22 | 425-560-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | KIRKLAND | WA |
| 2024-03-22 | 425-565-8XXX | 8000–8999 | Assigned | COMMIO, LLC | 939H | EVERETT | WA |
| 2024-03-22 | 425-565-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | EVERETT | WA |
| 2024-03-11 | 425-561-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | HALLS LAKE | WA |
| 2024-03-11 | 425-561-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | HALLS LAKE | WA |
| 2024-03-11 | 425-561-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | HALLS LAKE | WA |
| 2024-03-11 | 425-561-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | HALLS LAKE | WA |
| 2024-03-08 | 425-479-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | RENTON | WA |
| 2024-03-08 | 425-479-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | RENTON | WA |
| 2024-03-08 | 425-479-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | RENTON | WA |
| 2024-03-01 | 425-340-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | ISSAQUAH | WA |
| 2024-02-02 | 425-550-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | HALLS LAKE | WA |
| 2024-01-25 | 425-550-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | HALLS LAKE | WA |
| 2024-01-25 | 425-550-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | HALLS LAKE | WA |
| 2024-01-09 | 425-550-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | HALLS LAKE | WA |
| 2024-01-09 | 425-550-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | HALLS LAKE | WA |
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.