Zip Area Code

Cold Spring Harbor, New York

Cold Spring Harbor, New York, in Suffolk County, has ZIP code 11724 and area code 631, with 934 as an overlay.

ZIP code
11724
Area codes
631, 934
Time zone
Eastern Time
Coordinates
40.8601, -73.4423

ZIP codes in Cold Spring Harbor

ZIP codePost officeCountyArea codes
11724Cold Spring HarborSuffolk County631, 934

Area codes for Cold Spring Harbor

  • Area code 631

    In service since November 1, 1999. Shares its area with 934. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 934

    In service since July 16, 2016. Shares its area with 631. 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

Cold Spring Harbor is in the Eastern Time zone.

Towns near Cold Spring Harbor