This article is about the city. For the adjacent town, see Beloit (town), Wisconsin. Beloit is a city in Rock County, Wisconsin, United States. As of the 2010 census, the city had a population of 36,966.
Cities in the Eastern Time Zone. 1  Tampa. 2  Oralndo. 3  Tallahasse. Sarasota. 4  Miami. Jacksonville.  Fort Lauderdale.
Jacksonville, FL is currently using one area code which is area code  904. In addition to Jacksonville, FL area code information read more about area code 904 details and Florida area codes. Jacksonville, FL is located in Duval County and observes the Eastern Time Zone. View our Times by Area Code tool. Select Any Florida City or Town Alphabetically