NumberResearchRecent thousands-block assignments
8 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 509
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 |
|---|---|---|---|---|---|---|---|
| 2025-10-23 | 509-716-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | QUINCY | WA |
| 2025-10-17 | 509-387-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | WENATCHEE | WA |
| 2025-10-16 | 509-706-6XXX | 6000–6999 | Assigned | BOOST SUBSCRIBERCO L.L.C. | 490J | KENNEWICK | WA |
| 2025-10-06 | 509-298-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | MOSES LAKE | WA |
| 2025-10-06 | 509-507-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | DEER PARK | WA |
| 2025-10-03 | 509-706-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | KENNEWICK | WA |
| 2025-09-25 | 509-274-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SUNNYSIDE | WA |
| 2025-09-23 | 509-708-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | ELLENSBURG | WA |
| 2025-09-23 | 509-708-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | ELLENSBURG | WA |
| 2025-09-23 | 509-708-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | ELLENSBURG | WA |
| 2025-09-12 | 509-706-5XXX | 5000–5999 | Assigned | UNITED STATES CELLULAR - WA | 6270 | KENNEWICK | WA |
| 2025-09-05 | 509-392-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | RICHLAND | WA |
| 2025-08-29 | 509-296-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PULLMAN | WA |
| 2025-08-29 | 509-387-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | WENATCHEE | WA |
| 2025-08-29 | 509-709-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PASCO | WA |
| 2025-08-25 | 509-437-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | SPOKANE | WA |
| 2025-08-21 | 509-206-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | CLARKSTON | WA |
| 2025-08-19 | 509-507-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | DEER PARK | WA |
| 2025-08-19 | 509-708-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | ELLENSBURG | WA |
| 2025-08-19 | 509-708-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | ELLENSBURG | WA |
| 2025-07-18 | 509-615-0XXX | 0000–0999 | Assigned | WAVENATION, LLC | 700J | ELK-GRNBLF | WA |
| 2025-07-09 | 509-617-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | ELLENSBURG | WA |
| 2025-07-09 | 509-705-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | ELLENSBURG | WA |
| 2025-07-08 | 509-794-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | QUINCY | WA |
| 2025-07-03 | 509-567-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | PASCO | WA |
| 2025-07-03 | 509-847-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SPOKANE | WA |
| 2025-06-30 | 509-229-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | UNIONTOWN | WA |
| 2025-06-30 | 509-345-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WILSON CRK | WA |
| 2025-06-30 | 509-399-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | STARBUCK | WA |
| 2025-06-30 | 509-445-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CUSICK | WA |
| 2025-06-30 | 509-589-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | NEWPORT | WA |
| 2025-06-30 | 509-635-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | GARFIELD | WA |
| 2025-06-30 | 509-646-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WASHTUCNA | WA |
| 2025-06-30 | 509-647-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WILBUR | WA |
| 2025-06-30 | 509-872-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | GARRISON | WA |
| 2025-06-30 | 509-874-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WHITE SWAN | WA |
| 2025-06-30 | 509-878-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | PALOUSE | WA |
| 2025-06-30 | 509-883-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WENATCHEE | WA |
| 2025-06-30 | 509-973-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WHITSTRAN | WA |
| 2025-06-27 | 509-257-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SPRAGUE | WA |
| 2025-06-27 | 509-580-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SELAH | WA |
| 2025-06-27 | 509-706-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | KENNEWICK | WA |
| 2025-06-27 | 509-996-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | TWISP | WA |
| 2025-06-26 | 509-246-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SOAP LAKE | WA |
| 2025-06-25 | 509-214-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | NEWMANLAKE | WA |
| 2025-06-25 | 509-239-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | EDWALLTYLR | WA |
| 2025-06-25 | 509-254-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CLARKSTON | WA |
| 2025-06-25 | 509-266-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MATHEWSCOR | WA |
| 2025-06-25 | 509-287-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | FARMINGTON | WA |
| 2025-06-25 | 509-291-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ROCKFORD | WA |
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.