NumberResearchThousands-blocks in 585-536
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 585-536 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 585 blocks
Most active assignees, all time — NPA 585
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
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Dec 2025
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2016-02-22 | 585-536-0XXX | 0000–0999 | Assigned | ONVOY, LLC- NY | 384C | BATAVIA | NY |
| 2016-02-22 | 585-536-1XXX | 1000–1999 | Assigned | ONVOY, LLC- NY | 384C | BATAVIA | NY |
| 2019-05-20 | 585-536-2XXX | 2000–2999 | Assigned | CORETEL NEW YORK, INC. - NY | 1215 | BATAVIA | NY |
| 2019-03-26 | 585-536-3XXX | 3000–3999 | Assigned | CORETEL NEW YORK, INC. - NY | 1215 | BATAVIA | NY |
| 2018-02-12 | 585-536-4XXX | 4000–4999 | Assigned | PEERLESS NETWORK OF NEW YORK, LLC - NY | 155E | BATAVIA | NY |
| 2020-07-15 | 585-536-5XXX | 5000–5999 | Assigned | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | BATAVIA | NY |
| 2018-08-02 | 585-536-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BATAVIA | NY |
| 2015-09-29 | 585-536-7XXX | 7000–7999 | Assigned | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | BATAVIA | NY |
| 2017-03-02 | 585-536-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | BATAVIA | NY |
| 2017-08-09 | 585-536-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BATAVIA | NY |
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.