NumberResearchThousands-blocks in 863-844
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 863-844 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 863 blocks
Most active assignees, all time — NPA 863
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 863-844-0XXX | 0000–0999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | MULBERRY | FL |
| 2006-08-24 | 863-844-1XXX | 1000–1999 | Assigned | METROPCS NETWORKS, LLC | 899D | MULBERRY | FL |
| 2006-10-06 | 863-844-2XXX | 2000–2999 | Assigned | METROPCS NETWORKS, LLC | 899D | MULBERRY | FL |
| 2011-04-11 | 863-844-3XXX | 3000–3999 | Assigned | METROPCS NETWORKS, LLC | 899D | MULBERRY | FL |
| 2004-01-27 | 863-844-4XXX | 4000–4999 | Assigned | PAETEC ITEL, LLC | 829J | MULBERRY | FL |
| 2007-05-07 | 863-844-5XXX | 5000–5999 | Assigned | MCI WORLDCOM COMMUNICATIONS, INC. - FL | 7448 | MULBERRY | FL |
| 2015-12-10 | 863-844-6XXX | 6000–6999 | Assigned | HD CARRIER LLC | 321J | MULBERRY | FL |
| 2015-12-10 | 863-844-7XXX | 7000–7999 | Assigned | HD CARRIER LLC | 321J | MULBERRY | FL |
| 2018-10-23 | 863-844-8XXX | 8000–8999 | Assigned | INVOXIO INCORPORATED | 158H | MULBERRY | FL |
| 2019-05-28 | 863-844-9XXX | 9000–9999 | Assigned | ONVOY, LLC - FL | 937C | MULBERRY | 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.