NumberResearchThousands-blocks in 248-327
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 248-327 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-08-15 | 248-327-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | SOUTHFIELD | MI |
| 2014-05-28 | 248-327-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | SOUTHFIELD | MI |
| 2011-10-21 | 248-327-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | SOUTHFIELD | MI |
| 2004-12-01 | 248-327-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | SOUTHFIELD | MI |
| 2003-01-13 | 248-327-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | SOUTHFIELD | MI |
| 2008-03-12 | 248-327-5XXX | 5000–5999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 770E | SOUTHFIELD | MI |
| 2007-04-23 | 248-327-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | SOUTHFIELD | MI |
| 2007-04-23 | 248-327-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | SOUTHFIELD | MI |
| 2002-09-27 | 248-327-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | SOUTHFIELD | MI |
| — | 248-327-9XXX | 9000–9999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 770E | SOUTHFIELD | 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.