Below is a list of Cheswick PA zip codes. For your research we have also included Cheswick Area Code, Time Zone, UTC and the local Allegheny County FIPS Code. Each Cheswick Pennsylvania zip code has a center Longitude / Latitude point (the Cheswick center is -79.80419921875 / 40.54109954834). For your convenience we have also indicated if that zip code in Cheswick observes Daylight Savings time.