Below is a list of Alsip IL zip codes. For your research we have also included Alsip Area Code, Time Zone, UTC and the local Cook County FIPS Code. Each Alsip Illinois zip code has a center Longitude / Latitude point (the Alsip center is -87.738800048828 / 41.668998718262). For your convenience we have also indicated if that zip code in Alsip observes Daylight Savings time.