Below is a list of Onondaga County NY zip codes. For your research we have also included Onondaga County Area Code, Time Zone, UTC and the local County FIPS Code. Each Onondaga County New York zip code has a center Longitude / Latitude point (the Onondaga County center is -76.169296264648 / 43.041599273682). For your convenience we have also indicated if that zip code in Onondaga County observes Daylight Savings time.