NumberResearchThousands-blocks in 607-678
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 607-678 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 607 blocks
Most active assignees, all time — NPA 607
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 |
|---|---|---|---|---|---|---|---|
| 2014-09-30 | 607-678-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | DUNDEE | NY |
| 2020-12-24 | 607-678-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | DUNDEE | NY |
| 2019-08-14 | 607-678-2XXX | 2000–2999 | Assigned | ONVOY, LLC- NY | 384C | DUNDEE | NY |
| 2019-08-14 | 607-678-3XXX | 3000–3999 | Assigned | ONVOY, LLC- NY | 384C | DUNDEE | NY |
| 2005-07-21 | 607-678-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | DUNDEE | NY |
| 2021-03-31 | 607-678-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DUNDEE | NY |
| 2012-04-26 | 607-678-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | DUNDEE | NY |
| 2021-05-24 | 607-678-7XXX | 7000–7999 | Assigned | ONVOY, LLC- NY | 384C | DUNDEE | NY |
| 2018-06-08 | 607-678-8XXX | 8000–8999 | Assigned | ONVOY, LLC- NY | 384C | DUNDEE | NY |
| 2020-11-04 | 607-678-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | DUNDEE | NY |
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.