NumberResearchThousands-blocks in 904-217
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 904-217 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 904 blocks
Most active assignees, all time — NPA 904
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-04-15 | 904-217-0XXX | 0000–0999 | Assigned | COMCAST IP PHONE, LLC | 318J | ST JOHNS | FL |
| 2006-02-21 | 904-217-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | ST JOHNS | FL |
| 2010-01-22 | 904-217-2XXX | 2000–2999 | Assigned | POWERTEL JACKSONVILLE LICENSES, INC. | 7472 | ST JOHNS | FL |
| 2008-06-11 | 904-217-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | ST JOHNS | FL |
| 2008-06-11 | 904-217-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | ST JOHNS | FL |
| 2010-06-03 | 904-217-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | ST JOHNS | FL |
| 2010-06-03 | 904-217-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | ST JOHNS | FL |
| 2007-12-17 | 904-217-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | ST JOHNS | FL |
| 2011-04-01 | 904-217-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | ST JOHNS | FL |
| 2009-01-27 | 904-217-9XXX | 9000–9999 | Assigned | POWERTEL JACKSONVILLE LICENSES, INC. | 7472 | ST JOHNS | 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.