It's a New York cell area code.
Redding is actually in Connecticut, not New York. The area code for Redding, CT, is 203, with overlay code 475.
Buffalo, NY, is area code 716.
Rochester, NY, is in area code 585.
Syracuse is in area code +1 315.
Saratoga County, New York, is in area code 518.
The area code 516 is a US area code used in New York. The area code 516 is specifically used in Long Island, New York, in the Nassau county. The area code applies to both cell phones and landlines in the area.
631
Area code 518 covers 24 counties in the state of New York. It is the largest area code in size in the state of New York. Some cities in the 518 area code include Albany and Schenectady.
Whitehall, New York, is in area code 518, the same as Albany.
Springville, New York, is in area code 716.
Area code 585 is located in the state of New York. It primarily covers the Rochester metropolitan area and surrounding regions, including parts of western New York. The area code was established in 2001, splitting from the 716 area code.