NumberResearchThousands-blocks in 248-820
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 248-820 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 248 blocks
Most active assignees, all time — NPA 248
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2013-06-14 | 248-820-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | HOLLY | MI |
| 2006-01-05 | 248-820-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | HOLLY | MI |
| 2008-02-20 | 248-820-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | HOLLY | MI |
| 2010-10-18 | 248-820-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | HOLLY | MI |
| 2011-02-22 | 248-820-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | HOLLY | MI |
| 2012-03-07 | 248-820-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - MI | 991E | HOLLY | MI |
| 2006-12-06 | 248-820-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | HOLLY | MI |
| 2006-09-29 | 248-820-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | HOLLY | MI |
| 2014-02-25 | 248-820-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | HOLLY | MI |
| 2006-09-29 | 248-820-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | HOLLY | MI |
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.