Organization Information Address Management Post Office Changes   Old/New Finance No. ZIP Code State P.O. Name County/Parish Station/Branch/Unit Unit Type Effective Date Comments Old 47-4632 37934 TN Knoxville Knox Main Office Post Office     New 47-4632 37934 TN Knoxville Knox Farragut Classified Branch 01/11/2020 This announcement changes the preferred last line of this ZIP Code™ from Knoxville, TN to Farragut, TN. Use Farragut, TN 37934 as the last line of address. — Address Management, Addressing and Geospatial Technology, 1-30-20