Main city: Mahwah
Timezone: Eastern
Phone type: Landline
Operator: Xo New Jersey

Mahwah, a township in Bergen County, New Jersey, United States. As of the 2010 United States Census, the township's population was 25,890. The population increased by 1,828 (+7.6%) from the 24,062 counted in the 2000 Census, which had in turn increased by 6,157 (+34.4%) from the 17,905 counted in the 1990 Census. The name "Mahwah" is derived from the Lenape word "mawewi" which means "Meeting Place" or "Place Where Paths Meet". ^source

Area codes 201 and 551 are the North American telephone area code for the state of New Jersey covering most of Hudson and Bergen counties. Major cities in the area code include Jersey City, Hoboken, Hackensack, Secaucus, Englewood and Englewood Cliffs. ^source