Below is a list of Conowingo MD zip codes. For your research we have also included Conowingo Area Code, Time Zone, UTC and the local Cecil County FIPS Code. Each Conowingo Maryland zip code has a center Longitude / Latitude point (the Conowingo center is -76.159301757812 / 39.678100585938). For your convenience we have also indicated if that zip code in Conowingo observes Daylight Savings time.