Zip Area Code

Greenfield Park, New York

Greenfield Park, New York, in Ulster County, has ZIP code 12435 and area code 845, with 329 as an overlay.

ZIP code
12435
Area codes
845, 329
Time zone
Eastern Time
Coordinates
41.7281, -74.5201

ZIP codes in Greenfield Park

ZIP codePost officeCountyArea codes
12435Greenfield ParkUlster County845, 329

Area codes for Greenfield Park

  • Area code 845

    In service since June 5, 2000. Shares its area with 329. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 329

    In service since March 24, 2023. Shares its area with 845. 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

Greenfield Park is in the Eastern Time zone.

Towns near Greenfield Park