Below is a list of Hannastown PA zip codes. For your research we have also included Hannastown Area Code, Time Zone, UTC and the local Westmoreland County FIPS Code. Each Hannastown Pennsylvania zip code has a center Longitude / Latitude point (the Hannastown center is -79.491302490234 / 40.345901489258). For your convenience we have also indicated if that zip code in Hannastown observes Daylight Savings time.