NumberResearchThousands-blocks in 715-907
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 715-907 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
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2020-03-27 | 715-907-0XXX | 0000–0999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | WAUSAU | WI |
| 2019-08-16 | 715-907-1XXX | 1000–1999 | Assigned | TDS METROCOM, LLC | 520K | WAUSAU | WI |
| 2021-01-18 | 715-907-2XXX | 2000–2999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | WAUSAU | WI |
| 2021-03-08 | 715-907-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WAUSAU | WI |
| 2021-04-26 | 715-907-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | WAUSAU | WI |
| 2021-04-26 | 715-907-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | WAUSAU | WI |
| 2020-08-19 | 715-907-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC WI | 7216 | WAUSAU | WI |
| 2020-03-25 | 715-907-7XXX | 7000–7999 | Assigned | ONVOY, LLC - WI | 225C | WAUSAU | WI |
| 2021-03-02 | 715-907-8XXX | 8000–8999 | Assigned | ONVOY, LLC - WI | 225C | WAUSAU | WI |
| 2021-04-26 | 715-907-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | WAUSAU | WI |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.