Below is a list of Sierra County NM zip codes. For your research we have also included Sierra County Area Code, Time Zone, UTC and the local County FIPS Code. Each Sierra County New Mexico zip code has a center Longitude / Latitude point (the Sierra County center is -107.38200378418 / 33.066398620605). For your convenience we have also indicated if that zip code in Sierra County observes Daylight Savings time.