Zip Area Code

Rensselaer, New York

Rensselaer, New York, in Rensselaer County, has ZIP code 12144 and area code 518, with 838 as an overlay.

ZIP code
12144
Area codes
518, 838
Time zone
Eastern Time
Coordinates
42.6359, -73.7219

ZIP codes in Rensselaer

ZIP codePost officeCountyArea codes
12144RensselaerRensselaer County518, 838

Area codes for Rensselaer

  • Area code 518

    In service since 1947. Shares its area with 838. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 838

    In service since September 19, 2017. Shares its area with 518. 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

Rensselaer is in the Eastern Time zone.

Towns near Rensselaer