NumberResearchThousands-blocks in 863-223
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 863-223 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 863-223-0XXX | 0000–0999 | Reserved | MCI WORLDCOM COMMUNICATIONS, INC. - FL | 7448 | LAKE WALES | FL |
| — | 863-223-1XXX | 1000–1999 | Reserved | MCI WORLDCOM COMMUNICATIONS, INC. - FL | 7448 | LAKE WALES | FL |
| — | 863-223-2XXX | 2000–2999 | Reserved | MCI WORLDCOM COMMUNICATIONS, INC. - FL | 7448 | LAKE WALES | FL |
| 2015-04-22 | 863-223-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | LAKE WALES | FL |
| 2017-01-12 | 863-223-4XXX | 4000–4999 | Assigned | ONVOY, LLC - FL | 937C | LAKE WALES | FL |
| 2006-01-12 | 863-223-5XXX | 5000–5999 | Assigned | METROPCS NETWORKS, LLC | 899D | LAKE WALES | FL |
| 2017-04-18 | 863-223-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | LAKE WALES | FL |
| 2019-03-26 | 863-223-7XXX | 7000–7999 | Assigned | CORETEL FLORIDA, INC. - FL | 481F | LAKE WALES | FL |
| 2009-04-28 | 863-223-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | LAKE WALES | FL |
| 2019-01-14 | 863-223-9XXX | 9000–9999 | Assigned | METROPCS NETWORKS, LLC | 899D | LAKE WALES | 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.