NumberResearchThousands-blocks in 864-973
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 864-973 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 |
|---|---|---|---|---|---|---|---|
| — | 864-973-0XXX | 0000–0999 | Available | SENECA | SC | ||
| 2013-03-07 | 864-973-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | 6398 | SENECA | SC |
| 2003-11-13 | 864-973-2XXX | 2000–2999 | Assigned | TELEPORT COMMUNICATIONS AMERICA LA - LLC | 653C | SENECA | SC |
| 2003-08-27 | 864-973-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | SENECA | SC |
| 2003-02-27 | 864-973-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | SENECA | SC |
| 2003-08-27 | 864-973-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | SENECA | SC |
| 2004-10-13 | 864-973-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | SENECA | SC |
| 2010-10-29 | 864-973-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | SENECA | SC |
| 2009-02-04 | 864-973-8XXX | 8000–8999 | Assigned | AT&T ENTERPRISES, LLC | 516C | SENECA | SC |
| 2005-06-21 | 864-973-9XXX | 9000–9999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | SENECA | SC |
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.