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 11-4380 32250 FL Jacksonville Duval Main Office Post Office 02⁄06⁄2016 Realign ZIP Code boundaries. Use Jacksonville, FL 32224 as last line of address for the 201 deliveries previously in ZIP Code 32250. New 11-4380 32224 FL Jacksonville Duval Main Office Post Office — Address Management, Enterprise Analytics, 4-28-16