The area code 315 is located in Syracuse, New York.
Area code 315 covers Syracuse, New York and a wide swath of Central and Northern New York. It stretches from the Lake Ontario shoreline through the Mohawk Valley to the Adirondack foothills, connecting cities, small towns, and rural communities. Syracuse anchors the region as a major hub for education, health care, and logistics in Upstate New York. This area code ties together places known for universities, military service, and outdoor recreation.
"315 is one of the original 86 area codes introduced in 1947." — North American Numbering Plan Administration (NANPA)
Major cities and communities in the 315 area code include:
Established in 1947, area code 315 has a long history in New York’s telecom map. In 1954, parts of its southern territory helped form area code 607. To meet growing demand, the overlay 680 area code was added in 2017, and both codes now serve the same geography. As a result, 10-digit dialing is required for local calls within the region.
The 315 region blends city life with scenic landmarks. Syracuse hosts the New York State Fair and is home to Syracuse University, while Rome and Syracuse share deep Erie Canal heritage. Watertown serves the North Country and sits close to the Thousand Islands, a popular summer destination. Phone numbers in 315 (and 680) operate on Eastern Time (ET), and callers from abroad use the U.S. country code +1 before the area code and number.