NumberResearchThousands-blocks in 505-887
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 505-887 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, all time — NPA 505
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-01-26 | 505-887-0XXX | 0000–0999 | Assigned | COMMIO, LLC | 939H | GRANTS | NM |
| 2024-03-22 | 505-887-1XXX | 1000–1999 | Assigned | ONVOY, LLC - NM | 206F | GRANTS | NM |
| 2024-04-26 | 505-887-2XXX | 2000–2999 | Assigned | ONVOY, LLC - NM | 206F | GRANTS | NM |
| 2024-07-03 | 505-887-3XXX | 3000–3999 | Assigned | ONVOY, LLC - NM | 206F | GRANTS | NM |
| 2024-12-27 | 505-887-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | GRANTS | NM |
| 2025-03-20 | 505-887-5XXX | 5000–5999 | Assigned | ONVOY, LLC - NM | 206F | GRANTS | NM |
| 2023-10-01 | 505-887-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | GRANTS | NM |
| 2022-03-10 | 505-887-7XXX | 7000–7999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | GRANTS | NM |
| 2023-07-11 | 505-887-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | GRANTS | NM |
| 2023-09-18 | 505-887-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF NEW MEXICO, LLC - NM | 377H | GRANTS | 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.