NumberResearchThousands-blocks in 845-277
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 845-277 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, all time — NPA 845
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2012-04-02 | 845-277-0XXX | 0000–0999 | Assigned | TELENGY L.L.C. - NY | 473G | CROTON FLS | NY |
| — | 845-277-1XXX | 1000–1999 | Available | CROTON FLS | NY | ||
| 2014-07-08 | 845-277-2XXX | 2000–2999 | Assigned | HD CARRIER LLC | 321J | CROTON FLS | NY |
| — | 845-277-3XXX | 3000–3999 | Available | CROTON FLS | NY | ||
| — | 845-277-4XXX | 4000–4999 | Available | CROTON FLS | NY | ||
| — | 845-277-5XXX | 5000–5999 | Available | CROTON FLS | NY | ||
| 2019-02-28 | 845-277-6XXX | 6000–6999 | Assigned | CORETEL NEW YORK, INC. - NY | 1215 | CROTON FLS | NY |
| 2016-03-17 | 845-277-7XXX | 7000–7999 | Assigned | ONVOY, LLC- NY | 384C | CROTON FLS | NY |
| 2016-03-17 | 845-277-8XXX | 8000–8999 | Assigned | ONVOY, LLC- NY | 384C | CROTON FLS | NY |
| 2013-03-29 | 845-277-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF NEW YORK, LLC - NY | 155E | CROTON FLS | 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.