Oswego, New York
Eastern Time Zone (UTC-5) · NY · —
About Area Codes in Oswego, New York
Oswego, New York is served by 2 area codes: 315, 680. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Oswego require 10-digit dialing. The city is in the Eastern time zone (UTC-5).
Frequently Asked Questions
What area code is Oswego, New York?
Oswego, New York uses area codes 315 and 680.
What time zone is Oswego in?
Oswego is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Oswego?
Yes, all local calls in Oswego require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 315 created?
Area code 315 is one of the original 86 area codes established in 1947 as part of the North American Numbering Plan (NANP).
What cities share area code 315 with Oswego?
Other cities sharing area code 315 with Oswego include Auburn, Canandaigua, Cortland, Fulton, Ithaca, among others.
Also called Oswego:
Oswego, NY · Eastern Time Zone