NumberResearchThousands-blocks in 559-522
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026
The ten 1,000-number thousand-blocks inside prefix 559-522 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 559 blocks
Most active assignees, all time — NPA 559
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 559-522-0XXX | 0000–0999 | Reserved | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | LEMON COVE | CA |
| 2025-04-17 | 559-522-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | LEMON COVE | CA |
| 2019-02-15 | 559-522-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | LEMON COVE | CA |
| — | 559-522-3XXX | 3000–3999 | Available | LEMON COVE | CA | ||
| — | 559-522-4XXX | 4000–4999 | Reserved | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | LEMON COVE | CA |
| 2019-02-15 | 559-522-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CA | 649C | LEMON COVE | CA |
| 2021-06-24 | 559-522-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CA | 649C | LEMON COVE | CA |
| 2014-08-11 | 559-522-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | LEMON COVE | CA |
| 2025-01-09 | 559-522-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | LEMON COVE | CA |
| 2022-07-27 | 559-522-9XXX | 9000–9999 | Assigned | BOOST SUBSCRIBERCO L.L.C. | 490J | LEMON COVE | CA |
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.