573 Area Code is part of 45 counties in the state of Missouri. There are around 177 cities and 130 other places such as towns, cdps and villages in the 573 area code. Area code 573 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Missouri. Below you will find more info about Code and also zip codes, counties, cities and the post offices that belong to this Area Code.
Sources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.