Zip Code Listings for Killeen, Texas The following are the areas codes and zip codes for Killeen, Texas 76540 (area code: 254)
76541 (area code: 254)
76542 (area code: 254)
76543 (area code: 254)
76544 (area code: 254)
76545 (area code: 254)
76546 (area code: 254)
76547 (area code: 254)
76548 (area code: 254)
76549 (area code: 254)