Home Post Office Photos Sweetwater, Tennessee Post Office 37874 Post Office Photos Sweetwater, Tennessee Post Office 37874 January 3, 2020 826 0 Share on Facebook Tweet on Twitter The Sweetwater, Tennessee Post Office serves ZIP Code 37874. Photo by Jimmy Emerson, some rights reserved. Photo shared under the Creative Commons License. Sweetwater Post Office 701 N Main St Sweetwater, TN 37874 RELATED ARTICLESMORE FROM AUTHOR Post Office Photos Baldwin, Louisiana Post Office 70514 Post Office Photos Cambridge, Idaho Post Office 83610 Post Office Photos Idlewild, Michigan Post Office 49642