![]() Photo from Digital-Topo-Maps.com | Creston, IA 50801 Post Office Location: 300 South Elm Street; Creston, IA Year Post Office built: Town(s) Served: Creston Acceptable City Names: Creston Not Acceptable City Names: Sectional Service Facility: Creston County(ies): Adair, Adams, Union Info on Creston: The City of Creston is the county seat of Union County. It was settled in 1868 and incorporated in 1871. This is located along U.S. 34, Iowa 25, and the BNSF Railway. Creston's history has revolved around the railroad, with the Burlington & Missouri railroad. |
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