Zip Area Code

North Caldwell, New Jersey

No ZIP code carries the name of North Caldwell, New Jersey, in Essex County; the nearest ZIP codes are 07006, 07009 and 07044, in area code 973, with 862 as an overlay.

Nearest ZIP
07006, 07009, 07044
Area codes
973, 862
Time zone
Eastern Time
Coordinates
40.8645, -74.2600

Nearest ZIP codes to North Caldwell

These are the ZIP codes nearest to North Caldwell, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
07006CaldwellEssex County973, 862
07009Cedar GroveEssex County973, 862
07044VeronaEssex County973, 862

Area codes for North Caldwell

  • 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

North Caldwell is in the Eastern Time zone.

Towns near North Caldwell