NumberResearchThousands-blocks in 559-898
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 559-898 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 559-898-0XXX | 0000–0999 | Reserved | PACIFIC BELL | 9740 | SELMA | CA |
| 2019-12-18 | 559-898-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SELMA | CA |
| 2008-12-17 | 559-898-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | SELMA | CA |
| 2010-10-15 | 559-898-3XXX | 3000–3999 | Assigned | AT&T ENTERPRISES, LLC | 516C | SELMA | CA |
| 2008-04-04 | 559-898-4XXX | 4000–4999 | Assigned | UTILITY TELECOM GROUP, LLC - CA | 9262 | SELMA | CA |
| — | 559-898-5XXX | 5000–5999 | Reserved | PACIFIC BELL | 9740 | SELMA | CA |
| — | 559-898-6XXX | 6000–6999 | Reserved | PACIFIC BELL | 9740 | SELMA | CA |
| 2018-03-02 | 559-898-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SELMA | CA |
| 2020-12-11 | 559-898-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SELMA | CA |
| 2015-01-16 | 559-898-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SELMA | 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.