Below is a list of Duncannon PA zip codes. For your research we have also included Duncannon Area Code, Time Zone, UTC and the local Perry County FIPS Code. Each Duncannon Pennsylvania zip code has a center Longitude / Latitude point (the Duncannon center is -77.026702880859 / 40.395000457764). For your convenience we have also indicated if that zip code in Duncannon observes Daylight Savings time.