Below is a list of Hidalgo County TX zip codes. For your research we have also included Hidalgo County Area Code, Time Zone, UTC and the local County FIPS Code. Each Hidalgo County Texas zip code has a center Longitude / Latitude point (the Hidalgo County center is -98.170402526855 / 26.250200271606). For your convenience we have also indicated if that zip code in Hidalgo County observes Daylight Savings time.