NumberResearchThousands-blocks in 850-213
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 850-213 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 850 blocks
Most active assignees, all time — NPA 850
New assignments by month
Sep 2026
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Dec 2025
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2010-04-13 | 850-213-0XXX | 0000–0999 | Assigned | MCC TELEPHONY LLC | 593K | SEAGRV BCH | FL |
| — | 850-213-1XXX | 1000–1999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | SEAGRV BCH | FL |
| 2011-01-11 | 850-213-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | SEAGRV BCH | FL |
| 2012-05-14 | 850-213-3XXX | 3000–3999 | Assigned | MCC TELEPHONY LLC | 593K | SEAGRV BCH | FL |
| 2016-02-08 | 850-213-4XXX | 4000–4999 | Assigned | MCC TELEPHONY LLC | 593K | SEAGRV BCH | FL |
| 2004-01-23 | 850-213-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | SEAGRV BCH | FL |
| 2019-07-22 | 850-213-6XXX | 6000–6999 | Assigned | ONVOY, LLC - FL | 937C | SEAGRV BCH | FL |
| 2013-05-13 | 850-213-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | SEAGRV BCH | FL |
| 2017-12-11 | 850-213-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | SEAGRV BCH | FL |
| 2022-07-13 | 850-213-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SEAGRV BCH | FL |
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.