Below is a list of Humptulips WA zip codes. For your research we have also included Humptulips Area Code, Time Zone, UTC and the local Grays Harbor County FIPS Code. Each Humptulips Washington zip code has a center Longitude / Latitude point (the Humptulips center is -123.95899963379 / 47.232299804688). For your convenience we have also indicated if that zip code in Humptulips observes Daylight Savings time.