Janesville, Wisconsin
Central Time Zone (UTC-6) · WI · —
About Area Codes in Janesville, Wisconsin
Janesville, Wisconsin is served by 2 area codes: 608, 534. 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 Janesville require 10-digit dialing. The city is in the Central time zone (UTC-6).
Frequently Asked Questions
What area code is Janesville, Wisconsin?
Janesville, Wisconsin uses area codes 608 and 534.
What time zone is Janesville in?
Janesville is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling Janesville?
Yes, all local calls in Janesville require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 608 created?
Area code 608 was established in 1955 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 608 with Janesville?
Other cities sharing area code 608 with Janesville include Baraboo, Beloit, Fitchburg, La Crosse, Madison, among others.
Janesville, WI · Central Time Zone