Below is a list of Baltimore City County MD zip codes. For your research we have also included Baltimore City County Area Code, Time Zone, UTC and the local County FIPS Code. Each Baltimore City County Maryland zip code has a center Longitude / Latitude point (the Baltimore City County center is -76.622703552246 / 39.306499481201). For your convenience we have also indicated if that zip code in Baltimore City County observes Daylight Savings time.