Zip Area Code

Mount Arlington, New Jersey

Mount Arlington, New Jersey, in Morris County, has ZIP code 07856 and area code 973, with 862 as an overlay.

ZIP code
07856
Area codes
973, 862
Time zone
Eastern Time
Coordinates
40.9283, -74.6363

ZIP codes in Mount Arlington

ZIP codePost officeCountyArea codes
07856Mount ArlingtonMorris County973, 862

Area codes for Mount Arlington

  • Area code 973

    In service since June 1, 1997. Shares its area with 862. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 862

    In service since December 29, 2001. Shares its area with 973. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Mount Arlington is in the Eastern Time zone.

Towns near Mount Arlington