NumberResearchThousands-blocks in 248-237
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 248-237 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
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Dec 2025
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2004-10-22 | 248-237-0XXX | 0000–0999 | Assigned | PAETEC ITEL, LLC | 829J | AUBURN HTS | MI |
| 2007-07-06 | 248-237-1XXX | 1000–1999 | Assigned | WOW! INTERNET, CABLE AND PHONE | 961J | AUBURN HTS | MI |
| 2008-10-08 | 248-237-2XXX | 2000–2999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | AUBURN HTS | MI |
| 2005-01-11 | 248-237-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | AUBURN HTS | MI |
| 2003-07-28 | 248-237-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | AUBURN HTS | MI |
| 2016-12-05 | 248-237-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AUBURN HTS | MI |
| 2004-12-06 | 248-237-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | AUBURN HTS | MI |
| 2004-12-06 | 248-237-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | AUBURN HTS | MI |
| 2005-06-16 | 248-237-8XXX | 8000–8999 | Assigned | ACD TELECOM, INC. - MI | 3535 | AUBURN HTS | MI |
| 2023-10-16 | 248-237-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | AUBURN HTS | 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.