Below is a list of Portales NM zip codes. For your research we have also included Portales Area Code, Time Zone, UTC and the local Roosevelt County FIPS Code. Each Portales New Mexico zip code has a center Longitude / Latitude point (the Portales center is -103.336 / 34.1549). For your convenience we have also indicated if that zip code in Portales observes Daylight Savings time. For more information on Portales New Mexico you will find helpful business links and searches.