Below is a list of Summerfield TX zip codes. For your research we have also included Summerfield Area Code, Time Zone, UTC and the local Castro County FIPS Code. Each Summerfield Texas zip code has a center Longitude / Latitude point (the Summerfield center is -95.025802612305 / 32.720199584961). For your convenience we have also indicated if that zip code in Summerfield observes Daylight Savings time.