Below is a list of Karnes City TX zip codes. For your research we have also included Karnes City Area Code, Time Zone, UTC and the local Karnes County FIPS Code. Each Karnes City Texas zip code has a center Longitude / Latitude point (the Karnes City center is -97.901100158691 / 28.884899139404). For your convenience we have also indicated if that zip code in Karnes City observes Daylight Savings time.