Below is a list of Elk River ID zip codes. For your research we have also included Elk River Area Code, Time Zone, UTC and the local Clearwater County FIPS Code. Each Elk River Idaho zip code has a center Longitude / Latitude point (the Elk River center is -116.18099975586 / 46.783298492432). For your convenience we have also indicated if that zip code in Elk River observes Daylight Savings time.