NumberResearchThousands-blocks in 229-278
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 229-278 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 229 blocks
Most active assignees, all time — NPA 229
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-10-17 | 229-278-0XXX | 0000–0999 | Assigned | COMMIO, LLC | 939H | ARLINGTON | GA |
| 2022-11-03 | 229-278-1XXX | 1000–1999 | Assigned | ONVOY, LLC - GA | 067D | ARLINGTON | GA |
| 2021-02-26 | 229-278-2XXX | 2000–2999 | Assigned | ONVOY, LLC - GA | 067D | ARLINGTON | GA |
| 2021-06-07 | 229-278-3XXX | 3000–3999 | Assigned | ONVOY, LLC - GA | 067D | ARLINGTON | GA |
| 2021-06-07 | 229-278-4XXX | 4000–4999 | Assigned | ONVOY, LLC - GA | 067D | ARLINGTON | GA |
| 2021-09-07 | 229-278-5XXX | 5000–5999 | Assigned | ONVOY, LLC - GA | 067D | ARLINGTON | GA |
| 2022-07-11 | 229-278-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - GA | 6116 | ARLINGTON | GA |
| 2026-08-20 | 229-278-7XXX | 7000–7999 | Assigned | OPENTACT INC. | 824J | ARLINGTON | GA |
| 2022-03-14 | 229-278-8XXX | 8000–8999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | ARLINGTON | GA |
| 2022-11-01 | 229-278-9XXX | 9000–9999 | Assigned | ONVOY, LLC - GA | 067D | ARLINGTON | GA |
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.