Below is a list of Dewey Beach DE zip codes. For your research we have also included Dewey Beach Area Code, Time Zone, UTC and the local Sussex County FIPS Code. Each Dewey Beach Delaware zip code has a center Longitude / Latitude point (the Dewey Beach center is -75.075996398926 / 38.697700500488). For your convenience we have also indicated if that zip code in Dewey Beach observes Daylight Savings time.