Area codes 631 and 934 are the telephone area codes in the North American Numbering Plan (NANP) for Suffolk County, New York, on Long Island. Area code 631 was created in 1999 in a split from 516; and 934 was added as an overlay in 2016.

Browse area code 631 phone numbers, prefixes and exchanges. The 631 area code serves New York, Farmingdale, New Hyde Park, Syosset, Westbury, covering 52 ZIP codes in 6 counties.

Area code 631 serves the state of New York. This area code was assigned on May 5th, 1999. On November 1st, 1999 it went into service. 631 is a General Purpose Code. 631 service area does overlap with 934 area codes. Dialing pattern for local calls within the same NPA (area code) is …

Mar 16, 2025 · 631 is an area code located in the state of New York, US. The largest city it serves is Brentwood. Find out where 631 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here.

The 631 Area Code is located in the state of New York. Area Code 631 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 7,759,159 unique phone numbers and 797,467 individuals near the cities of Brentwood, Huntington, and Farmingdale.

Mar 1, 2025 · 631 Area Code located in New York, including 78 cities, 2 counties, 1 time zone, map, Census demographics, and 757 active prefixes.

Area code 631 is located in New York. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.

Area codes 631 and 934 are area codes for New York. Area code 631 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 …

Year 631 (DCXXXI) was a common year starting on Tuesday of the Julian calendar. The denomination 631 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Browse area code 631 phone numbers, prefixes and exchanges. The 631 area code serves New York, Farmingdale, Syosset, New Hyde Park, Westbury, covering 52 ZIP codes in 6 counties.