Below is a list of St John KS zip codes. For your research we have also included St John Area Code, Time Zone, UTC and the local Stafford County FIPS Code. Each St John Kansas zip code has a center Longitude / Latitude point (the St John center is -98.761543273926 / 38.003665924072). For your convenience we have also indicated if that zip code in St John observes Daylight Savings time.