715-540 Prefix — Oshkosh, Wisconsin

Phone numbers starting with 715-540 are based in Oshkosh, Wisconsin, primarily served by At&t.

Recently looked-up numbers in 715-540

• 715-540-6098

More about this region

Area code 715 directory · About area code 715 · Get a WI phone number

Last updated: July 24, 2026