ZIPCodes for LOUISVILLE, Kentucky. Use our address lookup or code list to find the correct 5-digit or 9-digit (ZIP+4) code for your postal mails destination. · The ZIP Codes in Louisville range from 40041 to 40299. Of the ZIP codes within or partially within Louisville there are 32 Standard ZIP Codes, 12 Unique ZIP Codes and 22 PO Box ZIP Codes. There are a total of 34 zip codes in Louisville. Find the location of each zip code using the interactive map above. There are 66 total unique zipcodes in Louisville, Kentucky. The area code (s) for Louisville is 502. Lookup ZIPCodes for louisville, kentucky with complete details of jefferson postal offices, regional coverage, and area-specific postal information. LOUISVILLE ZIPCodes include 40201, 40202, 40203, and others. This page provides a list of 9-digit ZIP+4 Codes for LOUISVILLE, along with information on its population, schools, museums, libraries, universities, hospitals, post offices, and random addresses in the area. Detailed map with every ZIPcode in Louisville, Kentucky and additional information