Below is a list of Etna ME zip codes. For your research we have also included Etna Area Code, Time Zone, UTC and the local Penobscot County FIPS Code. Each Etna Maine zip code has a center Longitude / Latitude point (the Etna center is -69.111198425293 / 44.819900512695). For your convenience we have also indicated if that zip code in Etna observes Daylight Savings time.