NumberResearchThousands-blocks in 410-690
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 410-690 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 410 blocks
Most active assignees, last 30 days — NPA 410
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-14 | 410-690-0XXX | 0000–0999 | Assigned | ONVOY, LLC - MD | 876D | EASTON | MD |
| 2004-02-04 | 410-690-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | EASTON | MD |
| 2026-08-19 | 410-690-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | EASTON | MD |
| 2004-12-27 | 410-690-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MD | 6119 | EASTON | MD |
| 2004-05-18 | 410-690-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MD | 6119 | EASTON | MD |
| 2006-01-03 | 410-690-5XXX | 5000–5999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | EASTON | MD |
| 2006-04-20 | 410-690-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | EASTON | MD |
| 2010-08-27 | 410-690-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MD | 6119 | EASTON | MD |
| 2009-08-03 | 410-690-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MD | 6119 | EASTON | MD |
| 2002-05-23 | 410-690-9XXX | 9000–9999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | 7325 | EASTON | MD |
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.