NumberResearchThousands-blocks in 843-594
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 843-594 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 843 blocks
Most active assignees, all time — NPA 843
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-06-12 | 843-594-0XXX | 0000–0999 | Assigned | ONVOY, LLC - SC | 548E | SUMMERVL | SC |
| 2017-10-11 | 843-594-1XXX | 1000–1999 | Assigned | ONVOY, LLC - SC | 548E | SUMMERVL | SC |
| 2017-10-11 | 843-594-2XXX | 2000–2999 | Assigned | ONVOY, LLC - SC | 548E | SUMMERVL | SC |
| 2017-11-15 | 843-594-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | SUMMERVL | SC |
| 2017-12-18 | 843-594-4XXX | 4000–4999 | Assigned | ONVOY, LLC - SC | 548E | SUMMERVL | SC |
| 2018-10-24 | 843-594-5XXX | 5000–5999 | Assigned | PEERLESS NETWORK OF SOUTH CAROLINA, LLC - SC | 098H | SUMMERVL | SC |
| 2017-04-06 | 843-594-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA SC- LLC | 635C | SUMMERVL | SC |
| 2017-04-06 | 843-594-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA SC- LLC | 635C | SUMMERVL | SC |
| 2017-04-06 | 843-594-8XXX | 8000–8999 | Assigned | TELEPORT COMMUNICATIONS AMERICA SC- LLC | 635C | SUMMERVL | SC |
| 2018-04-24 | 843-594-9XXX | 9000–9999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | SUMMERVL | 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.