NumberResearchThousands-blocks in 703-576
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 703-576 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 703 blocks
Most active assignees, all time — NPA 703
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2020-05-06 | 703-576-0XXX | 0000–0999 | Assigned | ONVOY, LLC - VA | 138E | OCCOQUAN | VA |
| — | 703-576-1XXX | 1000–1999 | Reserved | PAETEC ITEL, LLC | 829J | OCCOQUAN | VA |
| 2005-03-01 | 703-576-2XXX | 2000–2999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | OCCOQUAN | VA |
| — | 703-576-3XXX | 3000–3999 | Reserved | PAETEC ITEL, LLC | 829J | OCCOQUAN | VA |
| 2005-03-01 | 703-576-4XXX | 4000–4999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | OCCOQUAN | VA |
| 2020-05-06 | 703-576-5XXX | 5000–5999 | Assigned | ONVOY, LLC - VA | 138E | OCCOQUAN | VA |
| 2004-11-10 | 703-576-6XXX | 6000–6999 | Assigned | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | OCCOQUAN | VA |
| 2008-02-06 | 703-576-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | OCCOQUAN | VA |
| 2020-06-25 | 703-576-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - VA | 079F | OCCOQUAN | VA |
| — | 703-576-9XXX | 9000–9999 | Reserved | PAETEC ITEL, LLC | 829J | OCCOQUAN | VA |
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.