NumberResearchThousands-blocks in 234-388
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 234-388 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 234 blocks
Most active assignees, all time — NPA 234
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2023-10-05 | 234-388-0XXX | 0000–0999 | Assigned | COMMIO, LLC | 939H | MANCHESTR | OH |
| 2021-12-14 | 234-388-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | MANCHESTR | OH |
| 2023-10-05 | 234-388-2XXX | 2000–2999 | Assigned | COMMIO, LLC | 939H | MANCHESTR | OH |
| 2021-07-15 | 234-388-3XXX | 3000–3999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | MANCHESTR | OH |
| 2023-10-05 | 234-388-4XXX | 4000–4999 | Assigned | COMMIO, LLC | 939H | MANCHESTR | OH |
| 2023-10-05 | 234-388-5XXX | 5000–5999 | Assigned | COMMIO, LLC | 939H | MANCHESTR | OH |
| 2024-03-07 | 234-388-6XXX | 6000–6999 | Assigned | ONVOY, LLC - OH | 464C | MANCHESTR | OH |
| 2024-02-21 | 234-388-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MANCHESTR | OH |
| 2021-06-08 | 234-388-8XXX | 8000–8999 | Assigned | FRACTEL, LLC | 965H | MANCHESTR | OH |
| 2023-10-05 | 234-388-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | MANCHESTR | OH |
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.