Zip Code Listings for Gary, Indiana The following are the areas codes and zip codes for Gary, Indiana 46401 (area code: 219)
46402 (area code: 219)
46403 (area code: 219)
46404 (area code: 219)
46405 (area code: 219)
46406 (area code: 219)
46407 (area code: 219)
46408 (area code: 219)
46409 (area code: 219)
46410 (area code: 219)
46411 (area code: 219)