Below is a list of Shelton WA zip codes. For your research we have also included Shelton Area Code, Time Zone, UTC and the local Mason County FIPS Code. Each Shelton Washington zip code has a center Longitude / Latitude point (the Shelton center is -123.098 / 47.2042). For your convenience we have also indicated if that zip code in Shelton observes Daylight Savings time. For more information on Shelton Washington you will find helpful business links and searches.