Below is a list of College Place WA zip codes. For your research we have also included College Place Area Code, Time Zone, UTC and the local Walla Walla County FIPS Code. Each College Place Washington zip code has a center Longitude / Latitude point (the College Place center is -118.37799835205 / 46.043899536133). For your convenience we have also indicated if that zip code in College Place observes Daylight Savings time.