Organization Information Address Management Post Office Changes   Old/New Finance No. ZIP Code State P.O. Name County Station/Branch/Unit Unit Type Effective Date Comments Old 05-7600 92585 CA Sun City Riverside Main Office Post Office     New 05-7600 92585 CA Sun City Riverside Menifee Place Name 03/03/2018 This announcement changes the preferred last line of this ZIP Code™ from Sun City, CA to Menifee, CA. Use Menifee, CA 92585 as last line of address. Old 05-7600 92586 CA Sun City Riverside Main Office Post Office     New 05-7600 92586 CA Sun City Riverside Menifee Place Name 03/03/2018 This announcement changes the preferred last line of this ZIP Code from Sun City, CA to Menifee, CA. Use Menifee, CA 92586 as last line of address. Old 05-7600 92587 CA Sun City Riverside Main Office Post Office     New 05-7600 92587 CA Sun City Riverside Menifee Place Name 03/03/2018 This announcement changes the preferred last line of this ZIP Code from Sun City, CA to Menifee, CA. Use Menifee, CA 92587 as last line of address. — Address Management, Addressing and Geospatial Technology, 3-29-18