NumberResearchThousands-blocks in 845-259
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 845-259 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 845 blocks
Most active assignees, last 30 days — NPA 845
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2021-05-25 | 845-259-0XXX | 0000–0999 | Assigned | PEERING HUB, INC. - NY | 818H | BREWSTER | NY |
| 2009-07-13 | 845-259-1XXX | 1000–1999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | BREWSTER | NY |
| 2003-07-16 | 845-259-2XXX | 2000–2999 | Assigned | IP HORIZON LLC | 515J | BREWSTER | NY |
| — | 845-259-3XXX | 3000–3999 | Reserved | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7650 | BREWSTER | NY |
| — | 845-259-4XXX | 4000–4999 | Available | BREWSTER | NY | ||
| 2007-05-21 | 845-259-5XXX | 5000–5999 | Assigned | IP HORIZON LLC | 515J | BREWSTER | NY |
| 2010-07-12 | 845-259-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | BREWSTER | NY |
| 2003-06-30 | 845-259-7XXX | 7000–7999 | Assigned | CSC VOICE, LLC | 612K | BREWSTER | NY |
| 2026-09-10 | 845-259-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | BREWSTER | NY |
| 2021-07-14 | 845-259-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | BREWSTER | NY |
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.