NumberResearchThousands-blocks in 631-483
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 631-483 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 631 blocks
Most active assignees, all time — NPA 631
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2013-03-29 | 631-483-0XXX | 0000–0999 | Assigned | PEERLESS NETWORK OF NEW YORK, LLC - NY | 155E | MONTAUK PT | NY |
| 2012-02-06 | 631-483-1XXX | 1000–1999 | Assigned | TELENGY L.L.C. - NY | 473G | MONTAUK PT | NY |
| 2012-12-21 | 631-483-2XXX | 2000–2999 | Assigned | ONVOY, LLC- NY | 384C | MONTAUK PT | NY |
| 2012-02-29 | 631-483-3XXX | 3000–3999 | Assigned | ONVOY, LLC- NY | 384C | MONTAUK PT | NY |
| 2012-03-20 | 631-483-4XXX | 4000–4999 | Assigned | ONVOY, LLC- NY | 384C | MONTAUK PT | NY |
| 2012-05-31 | 631-483-5XXX | 5000–5999 | Assigned | CABLEVISION LIGHTPATH, INC. - NY | 7126 | MONTAUK PT | NY |
| 2014-04-08 | 631-483-6XXX | 6000–6999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MONTAUK PT | NY |
| 2012-10-19 | 631-483-7XXX | 7000–7999 | Assigned | ONVOY, LLC- NY | 384C | MONTAUK PT | NY |
| 2013-03-29 | 631-483-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF NEW YORK, LLC - NY | 155E | MONTAUK PT | NY |
| 2014-07-08 | 631-483-9XXX | 9000–9999 | Assigned | HD CARRIER LLC | 321J | MONTAUK PT | 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.