NumberResearchThousands-blocks in 608-299
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 608-299 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 608-299-0XXX | 0000–0999 | Reserved | PAETEC ITEL, LLC | 829J | BELOIT | WI |
| — | 608-299-1XXX | 1000–1999 | Reserved | PAETEC ITEL, LLC | 829J | BELOIT | WI |
| — | 608-299-2XXX | 2000–2999 | Reserved | PAETEC ITEL, LLC | 829J | BELOIT | WI |
| — | 608-299-3XXX | 3000–3999 | Reserved | PAETEC ITEL, LLC | 829J | BELOIT | WI |
| 2020-06-09 | 608-299-4XXX | 4000–4999 | Assigned | ONVOY, LLC - WI | 225C | BELOIT | WI |
| 2014-12-30 | 608-299-5XXX | 5000–5999 | Assigned | NUSO, LLC | 732J | BELOIT | WI |
| 2017-05-26 | 608-299-6XXX | 6000–6999 | Assigned | ONVOY, LLC - WI | 225C | BELOIT | WI |
| 2007-03-14 | 608-299-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BELOIT | WI |
| 2008-03-14 | 608-299-8XXX | 8000–8999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | BELOIT | WI |
| 2017-03-02 | 608-299-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | BELOIT | 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.