Below is a list of Dona Ana County NM zip codes. For your research we have also included Dona Ana County Area Code, Time Zone, UTC and the local County FIPS Code. Each Dona Ana County New Mexico zip code has a center Longitude / Latitude point (the Dona Ana County center is -103.21900177002 / 31.20240020752). For your convenience we have also indicated if that zip code in Dona Ana County observes Daylight Savings time.