Boise City, OK

ZIP code 73933 serves Balko and surrounding rural parts of Beaver County in Oklahoma’s Panhandle. The community is set amid broad agricultural plains, with U.S. Route 412 providing an east–west connection. Its most recognizable local landmarks include the Balko Public Schools campus, Balko Cemetery, and local churches, which function as community gathering points. The ZIP code is predominantly rural, with few large visitor attractions.