Zip Area Code

Upper Greenwood Lake, New Jersey

No ZIP code carries the name of Upper Greenwood Lake, New Jersey, in Passaic County; the nearest ZIP codes are 07421 and 07422, in area code 973, with 862 as an overlay.

Nearest ZIP
07421, 07422
Area codes
973, 862
Time zone
Eastern Time
Coordinates
41.1859, -74.3782

Nearest ZIP codes to Upper Greenwood Lake

These are the ZIP codes nearest to Upper Greenwood Lake, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
07421HewittPassaic County973, 862
07422Highland LakesSussex County973, 862

Area codes for Upper Greenwood Lake

  • 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

Upper Greenwood Lake is in the Eastern Time zone.

Towns near Upper Greenwood Lake