NumberResearchThousands-blocks in 785-578
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 785-578 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 785 blocks
Most active assignees, all time — NPA 785
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-08-17 | 785-578-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | PLAINVILLE | KS |
| 2023-07-14 | 785-578-1XXX | 1000–1999 | Assigned | ONVOY, LLC - KS | 205F | PLAINVILLE | KS |
| 2024-12-18 | 785-578-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PLAINVILLE | KS |
| — | 785-578-3XXX | 3000–3999 | Available | PLAINVILLE | KS | ||
| — | 785-578-4XXX | 4000–4999 | Available | PLAINVILLE | KS | ||
| — | 785-578-5XXX | 5000–5999 | Available | PLAINVILLE | KS | ||
| 2021-06-10 | 785-578-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - KS | 8995 | PLAINVILLE | KS |
| — | 785-578-7XXX | 7000–7999 | Available | PLAINVILLE | KS | ||
| 2024-05-24 | 785-578-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | PLAINVILLE | KS |
| — | 785-578-9XXX | 9000–9999 | Available | PLAINVILLE | KS |
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.