NumberResearchThousands-blocks in 703-659
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 703-659 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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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 703-659-0XXX | 0000–0999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - VA | 8825 | MANASSAS | VA |
| — | 703-659-1XXX | 1000–1999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - VA | 8825 | MANASSAS | VA |
| 2004-12-21 | 703-659-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - VA | 8825 | MANASSAS | VA |
| 2008-10-13 | 703-659-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MANASSAS | VA |
| 2004-12-21 | 703-659-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - VA | 8825 | MANASSAS | VA |
| 2008-10-13 | 703-659-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MANASSAS | VA |
| 2008-04-03 | 703-659-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - VA | 079F | MANASSAS | VA |
| 2008-10-13 | 703-659-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MANASSAS | VA |
| 2009-03-17 | 703-659-8XXX | 8000–8999 | Assigned | CORETEL VIRGINIA, LLC - VA | 5832 | MANASSAS | VA |
| — | 703-659-9XXX | 9000–9999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - VA | 8825 | MANASSAS | 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.