NumberResearchThousands-blocks in 386-271
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 386-271 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 386 blocks
Most active assignees, all time — NPA 386
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 386-271-0XXX | 0000–0999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | DAYTONABCH | FL |
| 2023-12-14 | 386-271-1XXX | 1000–1999 | Assigned | COMMIO, LLC | 939H | DAYTONABCH | FL |
| — | 386-271-2XXX | 2000–2999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | DAYTONABCH | FL |
| — | 386-271-3XXX | 3000–3999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | DAYTONABCH | FL |
| 2015-07-23 | 386-271-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | DAYTONABCH | FL |
| 2023-12-14 | 386-271-5XXX | 5000–5999 | Assigned | COMMIO, LLC | 939H | DAYTONABCH | FL |
| 2023-12-14 | 386-271-6XXX | 6000–6999 | Assigned | COMMIO, LLC | 939H | DAYTONABCH | FL |
| 2018-10-10 | 386-271-7XXX | 7000–7999 | Assigned | BHN IP ENABLED SERVICES, LLC | 045L | DAYTONABCH | FL |
| 2018-06-08 | 386-271-8XXX | 8000–8999 | Assigned | BHN IP ENABLED SERVICES, LLC | 045L | DAYTONABCH | FL |
| 2023-12-14 | 386-271-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | DAYTONABCH | FL |
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.