Below is a list of St. Louis OK zip codes. For your research we have also included St. Louis Area Code, Time Zone, UTC and the local Pottawatomie County FIPS Code. Each St. Louis Oklahoma zip code has a center Longitude / Latitude point (the St. Louis center is -96.861701965332 / 35.072498321533). For your convenience we have also indicated if that zip code in St. Louis observes Daylight Savings time.