NumberResearchThousands-blocks in 248-791
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 248-791 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2014-12-15 | 248-791-0XXX | 0000–0999 | Assigned | ONVOY, LLCV - MI | 543C | PONTIAC | MI |
| 2014-12-15 | 248-791-1XXX | 1000–1999 | Assigned | ONVOY, LLCV - MI | 543C | PONTIAC | MI |
| 2015-01-20 | 248-791-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - MI | 991E | PONTIAC | MI |
| 2015-04-17 | 248-791-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | PONTIAC | MI |
| 2016-03-23 | 248-791-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | PONTIAC | MI |
| 2015-09-23 | 248-791-5XXX | 5000–5999 | Assigned | CLEAR RATE COMMUNICATIONS, LLC | 046L | PONTIAC | MI |
| 2017-03-03 | 248-791-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PONTIAC | MI |
| 2015-09-21 | 248-791-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | PONTIAC | MI |
| 2017-03-03 | 248-791-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PONTIAC | MI |
| 2015-12-09 | 248-791-9XXX | 9000–9999 | Assigned | ONVOY, LLCV - MI | 543C | PONTIAC | 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.