NumberResearchThousands-blocks in 810-936
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 810-936 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 810 blocks
Most active assignees, all time — NPA 810
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2004-12-29 | 810-936-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | FENTON | MI |
| 2008-11-14 | 810-936-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | FENTON | MI |
| — | 810-936-2XXX | 2000–2999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 770E | FENTON | MI |
| 2006-01-04 | 810-936-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | FENTON | MI |
| 2003-07-28 | 810-936-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | FENTON | MI |
| 2005-12-06 | 810-936-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | FENTON | MI |
| 2005-12-06 | 810-936-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | FENTON | MI |
| 2005-11-09 | 810-936-7XXX | 7000–7999 | Assigned | ACD TELECOM, INC. - MI | 3535 | FENTON | MI |
| 2016-02-29 | 810-936-8XXX | 8000–8999 | Assigned | ONVOY, LLCV - MI | 543C | FENTON | MI |
| 2016-02-29 | 810-936-9XXX | 9000–9999 | Assigned | ONVOY, LLCV - MI | 543C | FENTON | 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.