Below is a list of Mount Alto WV zip codes. For your research we have also included Mount Alto Area Code, Time Zone, UTC and the local Mason County FIPS Code. Each Mount Alto West Virginia zip code has a center Longitude / Latitude point (the Mount Alto center is -81.883796691895 / 38.865398406982). For your convenience we have also indicated if that zip code in Mount Alto observes Daylight Savings time.