Below is a list of San Patricio County TX zip codes. For your research we have also included San Patricio County Area Code, Time Zone, UTC and the local County FIPS Code. Each San Patricio County Texas zip code has a center Longitude / Latitude point (the San Patricio County center is -97.402801513672 / 27.948900222778). For your convenience we have also indicated if that zip code in San Patricio County observes Daylight Savings time.