NumberResearchThousands-blocks in 227-309
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 227-309 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 227 blocks
Most active assignees, all time — NPA 227
New assignments by month
Sep 2026
Aug 2026
Jul 2026
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 |
|---|---|---|---|---|---|---|---|
| 2026-07-27 | 227-309-0XXX | 0000–0999 | Assigned | ONVOY, LLC - MD | 876D | WSNG236Z13 | MD |
| 2026-08-07 | 227-309-1XXX | 1000–1999 | Assigned | ONVOY, LLC - MD | 876D | WSNG236Z13 | MD |
| — | 227-309-2XXX | 2000–2999 | Available | WSNG236Z13 | MD | ||
| — | 227-309-3XXX | 3000–3999 | Available | WSNG236Z13 | MD | ||
| — | 227-309-4XXX | 4000–4999 | Available | WSNG236Z13 | MD | ||
| — | 227-309-5XXX | 5000–5999 | Available | WSNG236Z13 | MD | ||
| — | 227-309-6XXX | 6000–6999 | Available | WSNG236Z13 | MD | ||
| 2026-08-20 | 227-309-7XXX | 7000–7999 | Assigned | ONVOY, LLC - MD | 876D | WSNG236Z13 | MD |
| 2026-08-18 | 227-309-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG236Z13 | MD |
| 2026-08-18 | 227-309-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - MD | 071F | WSNG236Z13 | MD |
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.