631 Area Code


Area code 631 is an area code in lower New York State. Specifically, area code 631 serves Suffolk County, which covers the eastern part of Long Island, NY.

New York has area codes of 212, 315, 347, 516, 518, 585, 607, 631, 646, 716, 718, 845, 914, 917, 929.

Time Zone:Eastern GMT -5:00 with Daylight Saving in the Summer
Assigned Date:05-May-99
In Service Date:01-Nov-99

Counties that Use 631 Area Code

Major Cities that Use 631 Area Code

All Cities & Towns that Use 631 Area Code


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Where is 631 area code?

The following map shows the coverage of 631 area code. The coverage area is shown in green.

Area code map of the entire U.S.

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