Zip Area Code

Montclair, New Jersey

Montclair, New Jersey, in Essex County, has ZIP codes 07042 and 07043 and area code 973, with 862 as an overlay.

ZIP codes
07042, 07043
Area codes
973, 862
Time zone
Eastern Time
Coordinates
40.8281, -74.2088

ZIP codes in Montclair

ZIP codePost officeCountyArea codes
07042MontclairEssex County973, 862
07043MontclairEssex County973, 862

Area codes for Montclair

  • 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

Montclair is in the Eastern Time zone.

Towns near Montclair