NumberResearchThousands-blocks in 260-288
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 260-288 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 260 blocks
Most active assignees, last 30 days — NPA 260
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 |
|---|---|---|---|---|---|---|---|
| 2023-07-13 | 260-288-0XXX | 0000–0999 | Assigned | ONVOY, LLC - IN | 097D | BUTLER | IN |
| — | 260-288-1XXX | 1000–1999 | Available | BUTLER | IN | ||
| 2021-05-12 | 260-288-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | BUTLER | IN |
| 2026-08-28 | 260-288-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | 7440 | BUTLER | IN |
| — | 260-288-4XXX | 4000–4999 | Available | BUTLER | IN | ||
| — | 260-288-5XXX | 5000–5999 | Available | BUTLER | IN | ||
| — | 260-288-6XXX | 6000–6999 | Available | BUTLER | IN | ||
| 2026-08-19 | 260-288-7XXX | 7000–7999 | Assigned | OPENTACT INC. | 824J | BUTLER | IN |
| 2021-06-10 | 260-288-8XXX | 8000–8999 | Assigned | ONVOY, LLC - IN | 097D | BUTLER | IN |
| — | 260-288-9XXX | 9000–9999 | Available | BUTLER | IN |
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.