NumberResearchThousands-blocks in 608-747
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 608-747 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-11-23 | 608-747-0XXX | 0000–0999 | Assigned | TECH COM, INC. - WI | 2556 | MAUSTON | WI |
| 2024-10-18 | 608-747-1XXX | 1000–1999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | MAUSTON | WI |
| 2014-12-23 | 608-747-2XXX | 2000–2999 | Assigned | ONVOY, LLC - WI | 225C | MAUSTON | WI |
| 2021-09-02 | 608-747-3XXX | 3000–3999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | MAUSTON | WI |
| 2015-09-24 | 608-747-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - WI | 5489 | MAUSTON | WI |
| 2022-09-06 | 608-747-5XXX | 5000–5999 | Assigned | VONAGE AMERICA LLC | 197D | MAUSTON | WI |
| 2019-11-18 | 608-747-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC WI | 7216 | MAUSTON | WI |
| 2020-04-06 | 608-747-7XXX | 7000–7999 | Assigned | ONVOY, LLC - WI | 225C | MAUSTON | WI |
| — | 608-747-8XXX | 8000–8999 | Available | MAUSTON | WI | ||
| — | 608-747-9XXX | 9000–9999 | Available | MAUSTON | 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.