Below is a list of Texico IL zip codes. For your research we have also included Texico Area Code, Time Zone, UTC and the local Jefferson County FIPS Code. Each Texico Illinois zip code has a center Longitude / Latitude point (the Texico center is -88.897399902344 / 38.439399719238). For your convenience we have also indicated if that zip code in Texico observes Daylight Savings time.