NumberResearchThousands-blocks in 516-277
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 516-277 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 516 blocks
Most active assignees, all time — NPA 516
New assignments by month
Sep 2026
Aug 2026
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Jun 2026
May 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2008-04-03 | 516-277-0XXX | 0000–0999 | Assigned | PAETEC ITEL, LLC | 829J | NASSAUZN04 | NY |
| 2007-03-26 | 516-277-1XXX | 1000–1999 | Assigned | CSC VOICE, LLC | 612K | NASSAUZN04 | NY |
| 2007-03-26 | 516-277-2XXX | 2000–2999 | Assigned | CSC VOICE, LLC | 612K | NASSAUZN04 | NY |
| 2006-12-08 | 516-277-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | NASSAUZN04 | NY |
| 2007-09-17 | 516-277-4XXX | 4000–4999 | Assigned | CABLEVISION LIGHTPATH, INC. - NY | 7126 | NASSAUZN04 | NY |
| 2007-09-17 | 516-277-5XXX | 5000–5999 | Assigned | CABLEVISION LIGHTPATH, INC. - NY | 7126 | NASSAUZN04 | NY |
| 2014-08-28 | 516-277-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | NASSAUZN04 | NY |
| 2006-12-21 | 516-277-7XXX | 7000–7999 | Assigned | CABLEVISION LIGHTPATH, INC. - NY | 7126 | NASSAUZN04 | NY |
| 2007-09-17 | 516-277-8XXX | 8000–8999 | Assigned | PAETEC ITEL, LLC | 829J | NASSAUZN04 | NY |
| 2007-09-17 | 516-277-9XXX | 9000–9999 | Assigned | PAETEC ITEL, LLC | 829J | NASSAUZN04 | 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.