Area code 631 is Suffolk County, New York, which is roughly the eastern half of Long Island.
631
The country code and area code of Hernandarias, Paraguay is 595, (0)631.
The country code and area code of Kadogli, Sudan is 249, (0)631.
The country code and area code of Faridpur, Bangladesh is 880, (0)631.
Area code 516 is for Nassau County NY on Long Island. Area code 516 is exactly coterminous with Nassau County. Suffolk County to the east uses area code 631, and Queens uses area codes 718, 347, 929, and 917.The state of New York, USA, including the cities of Hempstead, Freeport and Long Beach, among others.
The country code and area code of Gaya- Gaya, India is 91, (0)631.
The country code and area code of Nogales- Son., Mexico is 52, (01)631.
The country code and area code of Weihai- SD, China is 86, (0)631.
Lindenhurst is in Suffolk County (eastern Long Island), which is area code 631.
Permissive Nov. 1, 1999; mandatory April 1, 2000. Area code 516 is now exactly Nassau County, NY. Area code 631 is now exactly Suffolk County, NY.
Quogue, NY, is in Suffolk County (eastern Long Island), which is area code 631.
The area code for Nassau County is 516. The area code for Suffolk County is 631.