73503 Zip Code - 73501, 73502, 73503, 73505, 73506, 73507, 73558. Timezone (cst) adjacent zip codes:. Web zip code 73503 is located in the city of fort sill, oklahoma and covers 74.187 square miles of land area. Web zip code 73503 is located in the county of comanche in the state of oklahoma. Find by city & state. Enter city and state to see all the zip codes ™ for that city. 73503 zip code is spread between the. Web zip codes for lawton, oklahoma.
Web zip code 73503 is located in the city of fort sill, oklahoma and covers 74.187 square miles of land area. Web zip code 73503 is located in the county of comanche in the state of oklahoma. Timezone (cst) adjacent zip codes:. Find by city & state. Enter city and state to see all the zip codes ™ for that city. Web zip codes for lawton, oklahoma. 73501, 73502, 73503, 73505, 73506, 73507, 73558. 73503 zip code is spread between the.