NumberResearchRecent thousands-block assignments
21 blocks assigned in June 2026 · 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, June 2026 — NPA 509
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2026-06-30 | 509-709-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - WA | 006F | PASCO | WA |
| 2026-06-26 | 509-507-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | DEER PARK | WA |
| 2026-06-18 | 509-445-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CUSICK | WA |
| 2026-06-18 | 509-716-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | QUINCY | WA |
| 2026-06-18 | 509-938-6XXX | 6000–6999 | Assigned | PEERLESS NETWORK OF WASHINGTON, LLC - WA | 159F | YAKIMA | WA |
| 2026-06-12 | 509-243-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ASOTIN | WA |
| 2026-06-12 | 509-246-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SOAP LAKE | WA |
| 2026-06-12 | 509-257-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SPRAGUE | WA |
| 2026-06-12 | 509-283-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ROCKFORD | WA |
| 2026-06-12 | 509-399-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | STARBUCK | WA |
| 2026-06-12 | 509-523-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ROSALIA | WA |
| 2026-06-12 | 509-589-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | NEWPORT | WA |
| 2026-06-12 | 509-741-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WENATCHEE | WA |
| 2026-06-10 | 509-614-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | KENNEWICK | WA |
| 2026-06-05 | 509-274-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | SUNNYSIDE | WA |
| 2026-06-05 | 509-298-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | MOSES LAKE | WA |
| 2026-06-05 | 509-604-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | RICHLAND | WA |
| 2026-06-05 | 509-938-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | YAKIMA | WA |
| 2026-06-05 | 509-975-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | PASCO | WA |
| 2026-06-04 | 509-214-8XXX | 8000–8999 | Assigned | EXIANT COMMUNICATIONS LLC | 114J | NEWMANLAKE | WA |
| 2026-06-01 | 509-707-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | MOSES LAKE | 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.