Below is a list of Weldon IA zip codes. For your research we have also included Weldon Area Code, Time Zone, UTC and the local Decatur County FIPS Code. Each Weldon Iowa zip code has a center Longitude / Latitude point (the Weldon center is -93.734802246094 / 40.899299621582). For your convenience we have also indicated if that zip code in Weldon observes Daylight Savings time.