Below is a list of Sumner WA zip codes. For your research we have also included Sumner Area Code, Time Zone, UTC and the local Pierce County FIPS Code. Each Sumner Washington zip code has a center Longitude / Latitude point (the Sumner center is -122.242 / 47.1621). For your convenience we have also indicated if that zip code in Sumner observes Daylight Savings time. For more information on Sumner Washington you will find helpful business links and searches.