NumberResearchThousands-blocks in 864-564
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 864-564 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 864 blocks
Most active assignees, all time — NPA 864
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2018-11-12 | 864-564-0XXX | 0000–0999 | Assigned | VONAGE AMERICA LLC | 197D | SPARTANBG | SC |
| 2018-11-12 | 864-564-1XXX | 1000–1999 | Assigned | VONAGE AMERICA LLC | 197D | SPARTANBG | SC |
| 2020-08-26 | 864-564-2XXX | 2000–2999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | SPARTANBG | SC |
| 2018-12-28 | 864-564-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SPARTANBG | SC |
| 2018-11-12 | 864-564-4XXX | 4000–4999 | Assigned | VONAGE AMERICA LLC | 197D | SPARTANBG | SC |
| 2018-08-30 | 864-564-5XXX | 5000–5999 | Assigned | ONVOY, LLC - SC | 548E | SPARTANBG | SC |
| 2018-08-30 | 864-564-6XXX | 6000–6999 | Assigned | ONVOY, LLC - SC | 548E | SPARTANBG | SC |
| 2018-12-28 | 864-564-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SPARTANBG | SC |
| 2018-11-12 | 864-564-8XXX | 8000–8999 | Assigned | VONAGE AMERICA LLC | 197D | SPARTANBG | SC |
| 2018-11-12 | 864-564-9XXX | 9000–9999 | Assigned | VONAGE AMERICA LLC | 197D | SPARTANBG | 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.