Oshkosh, Wisconsin
Central Time Zone (UTC-6) · WI · —
About Area Codes in Oshkosh, Wisconsin
Oshkosh, Wisconsin is served by 2 area codes: 920, 274. 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 Oshkosh require 10-digit dialing. The city is in the Central time zone (UTC-6).
Other cities in area code 920
Frequently Asked Questions
What area code is Oshkosh, Wisconsin?
Oshkosh, Wisconsin uses area codes 920 and 274.
What time zone is Oshkosh in?
Oshkosh is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling Oshkosh?
Yes, all local calls in Oshkosh require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 920 created?
Area code 920 was established in 1997 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 920 with Oshkosh?
Other cities sharing area code 920 with Oshkosh include Appleton, Ashwaubenon, De Pere, Fond du Lac, Green Bay, among others.
Oshkosh, WI · Central Time Zone