Below is a list of Snohomish County WA zip codes. For your research we have also included Snohomish County Area Code, Time Zone, UTC and the local County FIPS Code. Each Snohomish County Washington zip code has a center Longitude / Latitude point (the Snohomish County center is -122.12100219727 / 47.911499023438). For your convenience we have also indicated if that zip code in Snohomish County observes Daylight Savings time.