Below is a list of Mesilla NM zip codes. For your research we have also included Mesilla Area Code, Time Zone, UTC and the local Dona Ana County FIPS Code. Each Mesilla New Mexico zip code has a center Longitude / Latitude point (the Mesilla center is -106.80500030518 / 32.272701263428). For your convenience we have also indicated if that zip code in Mesilla observes Daylight Savings time.