401 Area Code is part of 5 counties in the state of Rhode Island. There are around 8 cities and 59 other places such as towns, cdps and villages in the 401 area code. Area code 401 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Rhode Island. 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.