Below is a list of Mc Grann PA zip codes. For your research we have also included Mc Grann Area Code, Time Zone, UTC and the local Armstrong County FIPS Code. Each Mc Grann Pennsylvania zip code has a center Longitude / Latitude point (the Mc Grann center is -79.521003723145 / 40.780101776123). For your convenience we have also indicated if that zip code in Mc Grann observes Daylight Savings time.