Below is a list of Chambersburg IL zip codes. For your research we have also included Chambersburg Area Code, Time Zone, UTC and the local Pike County FIPS Code. Each Chambersburg Illinois zip code has a center Longitude / Latitude point (the Chambersburg center is -90.658096313477 / 39.816101074219). For your convenience we have also indicated if that zip code in Chambersburg observes Daylight Savings time.