NumberResearchThousands-blocks in 608-912
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 608-912 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 608 blocks
Most active assignees, all time — NPA 608
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-09-29 | 608-912-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - WI | 007F | DE FOREST | WI |
| 2019-02-06 | 608-912-1XXX | 1000–1999 | Assigned | TDS METROCOM, LLC | 520K | DE FOREST | WI |
| 2018-09-07 | 608-912-2XXX | 2000–2999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | DE FOREST | WI |
| 2019-07-31 | 608-912-3XXX | 3000–3999 | Assigned | ONVOY, LLC - WI | 225C | DE FOREST | WI |
| 2021-01-26 | 608-912-4XXX | 4000–4999 | Assigned | ONVOY, LLC - WI | 225C | DE FOREST | WI |
| 2019-12-18 | 608-912-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - WI | 5489 | DE FOREST | WI |
| 2021-03-08 | 608-912-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DE FOREST | WI |
| 2021-05-26 | 608-912-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DE FOREST | WI |
| 2021-01-26 | 608-912-8XXX | 8000–8999 | Assigned | ONVOY, LLC - WI | 225C | DE FOREST | WI |
| 2024-03-05 | 608-912-9XXX | 9000–9999 | Assigned | ONVOY, LLC - WI | 225C | DE FOREST | WI |
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.