Zip Area Code

Area code 631

Area code 631 is a New York area code, in service since November 1, 1999.

It was added as an overlay on 516: both codes serve the same area, so neighbors can have numbers in either one.

934 serves the same area too.

Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

It is in the Eastern Time zone.

State
New York
In service since
November 1, 1999
Overlays
934
Local dialing
ten digits; dialing 1 plus ten digits also works
Time zone
Eastern Time
ZIP codes
105

Map

Map of the 631 area codeThe shaded area shows where 631 numbers are rated, with the neighboring area codes outlined around it.718203860914845401516BrentwoodLindenhurstRiverheadSeldenMasticWesthampton BeachEast HamptonGreenport Suffolk
Approximate 631 coverage, drawn from U.S. Census ZIP code areas and NANPA rate centers. Dashed lines are state borders.

Main cities in area code 631

Overlays and neighboring area codes

Overlay, serving the same area: 934.

Neighboring area codes: 718, 203, 860, 914, 845, 401, 516.

Counties in area code 631

Towns in area code 631

And 105 more towns: every town in New York.

Local numbers in area code 631

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