973 Area Code is part of 7 counties in the state of New Jersey. There are around 6 cities and 115 other places such as towns, cdps and villages in the 973 area code. Area code 973 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of New Jersey. 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.