Below is a list of Shamrock TX zip codes. For your research we have also included Shamrock Area Code, Time Zone, UTC and the local Wheeler County FIPS Code. Each Shamrock Texas zip code has a center Longitude / Latitude point (the Shamrock center is -100.24900054932 / 35.215400695801). For your convenience we have also indicated if that zip code in Shamrock observes Daylight Savings time.