NumberResearchThousands-blocks in 803-903
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 803-903 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 803 blocks
Most active assignees, all time — NPA 803
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2018-05-10 | 803-903-0XXX | 0000–0999 | Assigned | HARGRAY, INC. - SC | 5385 | HAMPTON | SC |
| 2015-10-20 | 803-903-1XXX | 1000–1999 | Assigned | PALMETTO TELEPHONE COMMUNICATIONS, LLC - SC | 154C | HAMPTON | SC |
| 2018-06-29 | 803-903-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | HAMPTON | SC |
| 2018-09-24 | 803-903-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | HAMPTON | SC |
| 2020-12-28 | 803-903-4XXX | 4000–4999 | Assigned | ONVOY, LLC - SC | 548E | HAMPTON | SC |
| 2020-12-28 | 803-903-5XXX | 5000–5999 | Assigned | ONVOY, LLC - SC | 548E | HAMPTON | SC |
| 2019-06-06 | 803-903-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA SC- LLC | 635C | HAMPTON | SC |
| 2025-03-19 | 803-903-7XXX | 7000–7999 | Assigned | ONVOY, LLC - SC | 548E | HAMPTON | SC |
| 2023-12-19 | 803-903-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HAMPTON | SC |
| 2023-12-19 | 803-903-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HAMPTON | SC |
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.