Hewitt is an unincorporated community and census-designated place (CDP)[6] located within West Milford Township in Passaic County, in the U.S. state of New Jersey.

[7] The area is served as United States Postal Service ZIP Code 07421.

[3] It is named for Abram Hewitt.

As of the 2010 United States Census, the population for ZIP Code Tabulation Area 07421 was 7,439.

This Passaic County, New Jersey state location article is a stub.