Avant, OK

ZIP code 74001 serves Barnsdall, a small community in Osage County in northeastern Oklahoma, along with nearby rural areas. Its built-up center includes the Barnsdall Main Street Historic District, whose early-20th-century commercial buildings reflect the town’s growth during the oil boom. Barnsdall Lake and its surrounding recreation area are a local outdoor destination. The area’s history is closely tied to oil development in Osage County.