Below is a list of Middletown PA zip codes. For your research we have also included Middletown Area Code, Time Zone, UTC and the local Dauphin County FIPS Code. Each Middletown Pennsylvania zip code has a center Longitude / Latitude point (the Middletown center is -76.725997924805 / 40.201198577881). For your convenience we have also indicated if that zip code in Middletown observes Daylight Savings time.