Zip Area Code

Hillside, New Jersey

Hillside, New Jersey, in Union County, has ZIP code 07205 and area code 908.

ZIP code
07205
Area code
908
Time zone
Eastern Time
Coordinates
40.6968, -74.2281

ZIP codes in Hillside

ZIP codePost officeCountyArea codes
07205HillsideUnion County908

Area code for Hillside

  • Area code 908

    In service since November 1, 1990. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Time zone

Hillside is in the Eastern Time zone.

Towns near Hillside