NumberResearchThousands-blocks in 216-220
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 216-220 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 216 blocks
Most active assignees, all time — NPA 216
New assignments by month
Sep 2026
Aug 2026
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Jun 2026
May 2026
Apr 2026
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-01-24 | 216-220-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | MONTRSE | OH |
| 2008-08-15 | 216-220-1XXX | 1000–1999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | MONTRSE | OH |
| 2008-01-31 | 216-220-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | MONTRSE | OH |
| 2008-01-31 | 216-220-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | MONTRSE | OH |
| — | 216-220-4XXX | 4000–4999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | MONTRSE | OH |
| 2005-11-16 | 216-220-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | MONTRSE | OH |
| 2010-08-03 | 216-220-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | MONTRSE | OH |
| 2011-01-04 | 216-220-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | MONTRSE | OH |
| 2011-05-12 | 216-220-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | MONTRSE | OH |
| 2011-11-16 | 216-220-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | MONTRSE | OH |
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.