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631
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Economic Overview
Area code 631 covers a region with a diverse economy, including strong sectors in healthcare, education, technology, tourism, retail, and agriculture. Major employers include Brookhaven National Laboratory, Stony Brook University, and several large hospital systems. The area is also known for its tourism industry, particularly in the Hamptons and Fire Island.
Geographical Overview
Area code 631 primarily serves Suffolk County on Long Island, New York. It covers major towns and cities such as Huntington, Smithtown, Islip, Brookhaven, Babylon, and Riverhead, as well as popular East End destinations like the Hamptons and Montauk.
Location Info
The 631 area code encompasses all of Suffolk County, which is the easternmost county on Long Island. Its western boundary roughly follows the Nassau-Suffolk county line, while its eastern edges include the tip of Montauk Point and Shelter Island. The area also includes Fire Island and other barrier islands off Long Island’s southern shore.
Population Demographics
The population of area code 631 is ethnically diverse, with significant White, Hispanic, African American, and Asian communities. The region has a mix of suburban, urban, and rural populations, with higher income levels in the Hamptons and North Shore communities. The area is home to families, young professionals, and a significant seasonal population during the summer months.
Time Zone Info
Area code 631 is in the Eastern Time Zone (ET), observing both Eastern Standard Time (EST) and Eastern Daylight Time (EDT) during daylight saving.
Other Area Code Details
Area code 631 was created in 1999 when it split from area code 516 due to population growth. In 2016, area code 934 was added as an overlay to accommodate further demand. The region is renowned for its beaches, vineyards, historic sites, and as a summer vacation destination for New York City residents.
