NumberResearchThousands-blocks in 434-990
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 434-990 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 434 blocks
Most active assignees, all time — NPA 434
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 434-990-0XXX | 0000–0999 | Reserved | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | STANARDSVL | VA |
| — | 434-990-1XXX | 1000–1999 | Reserved | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | STANARDSVL | VA |
| — | 434-990-2XXX | 2000–2999 | Reserved | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | STANARDSVL | VA |
| — | 434-990-3XXX | 3000–3999 | Reserved | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | STANARDSVL | VA |
| 2016-08-25 | 434-990-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | STANARDSVL | VA |
| — | 434-990-5XXX | 5000–5999 | Reserved | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | STANARDSVL | VA |
| 2024-03-07 | 434-990-6XXX | 6000–6999 | Assigned | ONVOY, LLC - VA | 138E | STANARDSVL | VA |
| 2024-03-18 | 434-990-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | STANARDSVL | VA |
| 2020-10-29 | 434-990-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | STANARDSVL | VA |
| — | 434-990-9XXX | 9000–9999 | Reserved | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | STANARDSVL | 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.