Below is a list of Mercer TN zip codes. For your research we have also included Mercer Area Code, Time Zone, UTC and the local Madison County FIPS Code. Each Mercer Tennessee zip code has a center Longitude / Latitude point (the Mercer center is -89.041900634766 / 35.479198455811). For your convenience we have also indicated if that zip code in Mercer observes Daylight Savings time.