Where Is Area Code 315?
Area code 315 is found in the US state of New York. Primarily servicing the city of Syracuse (population: 229713), area code 315 covers 18 counties of New York.
Located in the Eastern time zone, area code 315 is on the same time as New York, NY.
Area code 315 was brought into effect on January 1, 1947.
Counties in Area Code 315
- Cayuga,
- Chenango,
- Herkimer,
- Jefferson,
- Lewis,
- Madison,
- Oneida,
- Onondaga,
- Ontario,
- Oswego,
- Otsego,
- Saint Lawrence,
- Seneca,
- Wayne,
- Yates.
Most Populous Cities in Area Code 315
| City | County | City Population | Time Zone |
|---|---|---|---|
| Syracuse | Onondaga | 229,713 | EST |
| Utica | Oneida | 71,410 | EST |
| Liverpool | Onondaga | 52,259 | EST |
| Watertown | Jefferson | 49,578 | EST |
| Rome | Oneida | 42,794 | EST |
| Auburn | Cayuga | 40,994 | EST |
| Oswego | Oswego | 37,080 | EST |
| Baldwinsville | Onondaga | 31,625 | EST |
| Fulton | Oswego | 24,847 | EST |
| Geneva | Ontario | 20,190 | EST |
| Cicero | Onondaga | 17,530 | EST |
| Potsdam | Saint Lawrence | 16,688 | EST |
| Massena | Saint Lawrence | 16,624 | EST |
| Ogdensburg | Saint Lawrence | 16,494 | EST |
| New Hartford | Oneida | 16,045 | EST |
| Manlius | Onondaga | 15,560 | EST |
| Camillus | Onondaga | 15,545 | EST |
| East Syracuse | Onondaga | 14,986 | EST |
| Oneida | Madison | 13,942 | EST |
| Newark | Wayne | 13,859 | EST |
| Penn Yan | Yates | 12,817 | EST |
| Canastota | Madison | 12,605 | EST |
| Fayetteville | Onondaga | 12,385 | EST |
| Whitesboro | Oneida | 11,530 | EST |
| Ontario | Wayne | 11,484 | EST |
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.
This page was last updated on July 3, 2015.