Area Code 631

Where Is Area Code 631?

Updated: June 25th 2021

Area code 631 can be found in New York servicing Suffolk County, the central and eastern part of Long Island. Area code 631 was put into service on November 1, 1999, and was created from a split of area code 516. In 2016, area code 631 was overlaid with area code 934.

Brookhaven is the most populous town in Suffolk County and is the only town in Suffolk County that extends from the North Shore to the South Shore of Long Island. In terms of total area, Brookhaven is the largest town in New York. Brookhaven has 9 villages and 50 hamlets. Bodies of water that surround Brookhaven are the Long Island Sound and the Atlantic Ocean. Brookhaven is a part of the New York metropolitan area, with Manhattan only being 50 miles away. Going back in history, the area was originally inhabited by Algonquian-speaking Native Americans. The first English settlers arrived in 1640, however they did not purchase land from the Native Americans until 1655. In 1655, the first English settlement was founded; it was named Setauket after the Native American tribe while the English version of Setauket is Brookhaven. The town was integrated into the Province of New York in 1664 and the town was officially recognized as Brookhaven in 1666. Brookhaven’s residents were involved at the beginning stages of the American Revolutionary War. During the 19th century to the 20th century, Brookhaven transitioned from an agrarian town to a prosperous shipbuilding port and successful resort town.

Brookhaven has a population of 486,040 and the racial makeup of the town is 84.5% White, 12.4% Hispanic, 5.5% African American, and 3.9% Asian (2010 Census). With a low crime rate, Brookhaven is a great place to reside in.

Stony Brook University is located in Brookhaven and is the town’s largest employer. The town is also home to the Brookhaven National Lab, a laboratory that was established in 1947 and has been awarded seven Nobel prizes. Brookhaven is the only town in Long Island that offers a wide variety of tourist activities. There are plenty of restaurants, shopping areas, and live theaters located throughout the town. When it comes to recreational activities, Brookhaven has miles of trails for hiking and biking and dozens of parks and beaches. To the north of Brookhaven is the Long Island Sound, where beachcombers, ferry passengers, and boaters can be found. To the south of Brookhaven is the Atlantic Ocean, where beaches and parks offer spectacular views of the water and wildlife.

Situated on the South Shore of Long Island, Islip is another town in Suffolk County. Islip is a seaside town with deep roots in fishing, farming, and boating. South of Islip is the Atlantic Ocean while parts of Fire Island and the Great South Bay are located within Islip. Islip has both a humid subtropical climate and a humid continental climate. Going back in history, in 1683, William Nicoll was the first person to obtain a patent for the land of what is now the Town of Islip. Nicoll named his land after his hometown, Islip, Northamptonshire, England. Early settlers took advantage of Islip’s proximity to water to make shipping and fishing the principal way of life. During the mid 19th century, tourism brought much wealth to Islip and Islip soon turned into a bustling suburb. Today Islip has a population of 335,543 and the racial makeup of the town is 73.3% White, 29.0% Hispanic, 9.5% African American, and 2.9% Asian (2010 Census). Islip is a fairly safe place to reside in. Tourists come to Islip for its ocean beaches, sparkling bays, and historic villages.

Major Cities In Area Code 631






Huntington is situated on the North Shore of Long Island in Suffolk County and is part of the New York metropolitan area. Going back in history, three English settlers from Oyster Bay purchased a parcel of land from the Matinecock tribe in 1653. After their purchase, they turned the land over to a group of Englishmen and their families. Today Huntington has a population of 203,264 and the racial makeup of the town is 84.2% White, 11.0% Hispanic, 5.0% Asian, and 4.7% African American (2010 Census). With a low crime rate, Huntington is a great place to reside in.

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