NumberResearchThousands-blocks in 870-824
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 870-824 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 870 blocks
Most active assignees, all time — NPA 870
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2011-08-08 | 870-824-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR | 6805 | BLYTHEVL | AR |
| — | 870-824-1XXX | 1000–1999 | Reserved | T-MOBILE USA, INC. | 6529 | BLYTHEVL | AR |
| 2003-12-23 | 870-824-2XXX | 2000–2999 | Assigned | E. RITTER COMMUNICATIONS, LLC | 128L | BLYTHEVL | AR |
| 2010-07-09 | 870-824-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BLYTHEVL | AR |
| 2026-04-15 | 870-824-4XXX | 4000–4999 | Assigned | ONVOY, LLC - AR | 348F | BLYTHEVL | AR |
| 2010-04-26 | 870-824-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - AR | 5179 | BLYTHEVL | AR |
| 2011-03-16 | 870-824-6XXX | 6000–6999 | Assigned | E. RITTER COMMUNICATIONS, LLC | 128L | BLYTHEVL | AR |
| 2005-04-25 | 870-824-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | BLYTHEVL | AR |
| 2004-05-27 | 870-824-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | BLYTHEVL | AR |
| — | 870-824-9XXX | 9000–9999 | Reserved | METROPCS, INC. | 5562 | BLYTHEVL | AR |
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.