NumberResearchThousands-blocks in 564-549
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 564-549 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 564 blocks
Most active assignees, all time — NPA 564
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-12-09 | 564-549-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | OAK HARBOR | WA |
| 2025-12-12 | 564-549-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OAK HARBOR | WA |
| — | 564-549-2XXX | 2000–2999 | Available | OAK HARBOR | WA | ||
| — | 564-549-3XXX | 3000–3999 | Available | OAK HARBOR | WA | ||
| — | 564-549-4XXX | 4000–4999 | Available | OAK HARBOR | WA | ||
| — | 564-549-5XXX | 5000–5999 | Available | OAK HARBOR | WA | ||
| — | 564-549-6XXX | 6000–6999 | Available | OAK HARBOR | WA | ||
| — | 564-549-7XXX | 7000–7999 | Available | OAK HARBOR | WA | ||
| 2026-06-29 | 564-549-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - WA | 006F | OAK HARBOR | WA |
| 2026-06-05 | 564-549-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | OAK HARBOR | 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.