Midwest region · Central Time
Wisconsin Area Codes
All 8 area codes serving Wisconsin, the cities each one covers, and which are overlays. Wisconsin is served by 8 area codes in the Central Time zone.
Last updated October 3, 2026
Full list
Every Wisconsin area code
Wisconsin is served by 8 area codes in the Central Time zone. 3 of these are overlay codes layered over busy metros; the rest are geographic codes.
| Code | Area served | Type | In service |
|---|---|---|---|
| 262 | Southeastern Wisconsin surrounding Milwaukee, including Kenosha, Racine and Waukesha | Geographic | Since 1999 |
| 274 | Northeastern and east-central Wisconsin, including Green Bay, Appleton, Oshkosh and Sheboygan | Overlay | Since 2023 |
| 353 | Southwestern and south-central Wisconsin, including Madison, La Crosse and Janesville | Overlay | Since 2023 |
| 414 | Milwaukee and Milwaukee County in southeastern Wisconsin | Geographic | Since 1947 |
| 534 | Northern and central Wisconsin, including Eau Claire, Wausau, Stevens Point and Superior | Overlay | Since 2010 |
| 608 | Southwestern and south-central Wisconsin, including Madison, La Crosse and Janesville | Geographic | Since 1955 |
| 715 | Northern and central Wisconsin, including Eau Claire, Wausau, Stevens Point and Superior | Geographic | Since 1947 |
| 920 | Northeastern and east-central Wisconsin, including Green Bay, Appleton, Oshkosh and Sheboygan | Geographic | Since 1997 |
Area codes and dialing in Wisconsin
Wisconsin's 8 area codes mix older geographic codes with newer overlays. The busiest metros — around Milwaukee, Eau Claire, Madison — carry the most numbers and rely on overlays, which is why 10-digit dialing is required there. Quieter parts of the state may still use a single code. The oldest code in Wisconsin is 414 (Milwaukee), one of the original 1947 area codes.
Whenever a Wisconsin region runs low on numbers, a new overlay is added on top rather than splitting the map, so existing customers keep their numbers. See 10-digit dialing for what that means in practice, or the newest area codes for upcoming changes.
Wisconsin city area code pages
Look up the area codes for a specific Wisconsin city: Eau Claire · Green Bay · Madison · Milwaukee.
Browse Wisconsin another way
Explore by Midwest region, by time zone, or jump to the city index. You can also see the complete numeric list of every US area code.
Quick answers
Wisconsin area code FAQ
How many area codes does Wisconsin have?
Wisconsin currently has 8 area codes: 262, 274, 353, 414, 534, 608, 715, 920.
What is the main area code for Wisconsin?
Wisconsin has no single main code. Its original 1947 area codes were 414 and 715; today the main cities are served by 414 (Milwaukee), 715 (Eau Claire), 608 (Madison), 920 (Green Bay), 262 (Kenosha).
Does Wisconsin require 10-digit dialing?
Yes, in its overlay areas you must dial all 10 digits, even for local calls. Dialing all 10 digits always works, so it is the safe habit.