NumberResearchThousands-blocks in 715-393
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 715-393 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 715 blocks
Most active assignees, all time — NPA 715
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 715-393-0XXX | 0000–0999 | Reserved | FRONTIER NORTH INC. - WI | 0886 | WAUSAU | WI |
| 2004-05-21 | 715-393-1XXX | 1000–1999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC WI | 7216 | WAUSAU | WI |
| 2004-05-21 | 715-393-2XXX | 2000–2999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC WI | 7216 | WAUSAU | WI |
| 2004-05-21 | 715-393-3XXX | 3000–3999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC WI | 7216 | WAUSAU | WI |
| 2009-09-11 | 715-393-4XXX | 4000–4999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | WAUSAU | WI |
| 2009-12-18 | 715-393-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WAUSAU | WI |
| — | 715-393-6XXX | 6000–6999 | Reserved | FRONTIER NORTH INC. - WI | 0886 | WAUSAU | WI |
| 2013-11-12 | 715-393-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WAUSAU | WI |
| 2016-04-12 | 715-393-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - WI | 007F | WAUSAU | WI |
| 2014-09-02 | 715-393-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WAUSAU | 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.