Where Is Area Code 315?
Area code 315 serves Central New York and parts of Northern New York, with Syracuse as its primary city. The region is part of the Mid-Atlantic area of the United States and uses Eastern Time.
The area code covers communities in Onondaga, Oneida, Oswego, Jefferson, Lewis, Madison, Herkimer, Cayuga, Seneca, Ontario, and St. Lawrence counties. Major cities include Syracuse, Utica, Watertown, Rome, Auburn, Oswego, Fulton, and Oneida.
The 315 region reaches the eastern shore of Lake Ontario and the St. Lawrence River. It also includes Oneida Lake and communities near the Erie Canal, including Syracuse, Rome, and Utica. Fort Drum is near Watertown in Jefferson County.
Cities and Communities in the 315 Area Code
- Adams, Jefferson County
- Auburn, Cayuga County
- Baldwinsville, Onondaga County
- Camillus, Onondaga County
- Canton, St. Lawrence County
- Carthage, Jefferson County
- Cazenovia, Madison County
- Central Square, Oswego County
- Chittenango, Madison County
- Cicero, Onondaga County
- Clay, Onondaga County
- Clinton, Oneida County
- DeWitt, Onondaga County
- Fulton, Oswego County
- Geneva, Ontario County
- Gouverneur, St. Lawrence County
- Hamilton, Madison County
- Hastings, Oswego County
- Herkimer, Herkimer County
- Little Falls, Herkimer County
- Lowville, Lewis County
- Manlius, Onondaga County
- Marcellus, Onondaga County
- Massena, St. Lawrence County
- Mexico, Oswego County
- New Hartford, Oneida County
- Oneida, Madison County
- Oswego, Oswego County
- Potsdam, St. Lawrence County
- Pulaski, Oswego County
- Rome, Oneida County
- Salina, Onondaga County
- Scriba, Oswego County
- Seneca Falls, Seneca County
- Skaneateles, Onondaga County
- Syracuse, Onondaga County
- Utica, Oneida County
- Watertown, Jefferson County
- Waterloo, Seneca County
- Whitestown, Oneida County
History of Area Code 315
Area code 315 was assigned in 1947 as one of the original 86 area codes created under the North American Numbering Plan. Its original service area covered a broad part of upstate New York, including Central New York and areas farther south.
Area code 607 was created in 1954 by splitting the southern portion of the 315 region. Area code 680 was added as an overlay on March 11, 2017. The overlay added numbering capacity while allowing existing 315 numbers to remain in place.
Key Facts About Area Code 315
- Area code 315 is a geographic area code in New York, with Syracuse as its primary city.
- Area code 315 is located in the U.S. Census Mid-Atlantic region.
- Area code 315 uses Eastern Time.
- Area code 315 was assigned in 1947 as one of the original North American Numbering Plan area codes.
- Area code 607 was created from part of the 315 region in 1954.
- Area code 680 has overlaid the 315 region since 2017.
- Syracuse University is located in Syracuse, within the 315 service region.
- SUNY Upstate Medical University is located in Syracuse, within the 315 service region.
Frequently Asked Questions
What state is area code 315 in?
Area code 315 is in New York.
What major cities use area code 315?
Syracuse, Utica, Watertown, Rome, Auburn, Oswego, Fulton, and Oneida use area code 315, while area code 680 also serves the same region.
What time zone is area code 315 in?
Area code 315 uses Eastern Time.
Is area code 315 a toll-free number?
No, area code 315 is a geographic area code, not a toll-free number.