NumberResearchThousands-blocks in 505-201
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 505-201 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 505 blocks
Most active assignees, last 30 days — NPA 505
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 |
|---|---|---|---|---|---|---|---|
| 2026-04-09 | 505-201-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - NM | 123F | SANTA FE | NM |
| — | 505-201-1XXX | 1000–1999 | Reserved | ONVOY, LLC - NM | 206F | SANTA FE | NM |
| 2026-06-03 | 505-201-2XXX | 2000–2999 | Assigned | AHOI LLC | 883K | SANTA FE | NM |
| 2026-07-15 | 505-201-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | SANTA FE | NM |
| 2026-08-21 | 505-201-4XXX | 4000–4999 | Assigned | ONVOY, LLC - NM | 206F | SANTA FE | NM |
| — | 505-201-5XXX | 5000–5999 | Available | SANTA FE | NM | ||
| — | 505-201-6XXX | 6000–6999 | Available | SANTA FE | NM | ||
| 2026-09-14 | 505-201-7XXX | 7000–7999 | Assigned | VERSATEL LLC | 962J | SANTA FE | NM |
| 2026-07-15 | 505-201-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | SANTA FE | NM |
| 2026-06-05 | 505-201-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM | 6573 | SANTA FE | NM |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.