Below is a list of Addison PA zip codes. For your research we have also included Addison Area Code, Time Zone, UTC and the local Somerset County FIPS Code. Each Addison Pennsylvania zip code has a center Longitude / Latitude point (the Addison center is -79.330101013184 / 39.744201660156). For your convenience we have also indicated if that zip code in Addison observes Daylight Savings time.