Area code 631
Area code 631 is an area code for New York. This area code was created on November 1, 1999, as a split from area code 516. It covers most of Suffolk County on Long Island, such as Brookhaven, Huntington, Islip, Babylon, Smithtown, and Riverhead. It was overlaid by 934 in 2016.[1]
References
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Area Code 631 Media
Area codes in New York state; area codes 631 and 934 highlighted in darker yellow
"Area code overlay". The Islip Bulletin. Retrieved 2024-06-26.
