Wisconsin area codes
- Area codes in
- 6
- State
- Wisconsin
- Local time
- Central Time
Wisconsin is served by 6 area codes, from 414 in 1947 to 534 in 2010. 1 of them are overlays, added as older codes filled up.
Updated 28 July 2026
All area codes in Wisconsin
Wisconsin is served by 6 area codes. 414 is the oldest, in service since 1947; 534 is the newest, activated in 2010.
Wisconsin area code map
Wisconsin sits in the Central Time zone, with its 6 codes spread across the state.
Wisconsin area codes by city
These are the Wisconsin cities served by more than one area code, or whose code also covers a wider area.
Eau Claire
Green Bay
Kenosha
Madison
Milwaukee
Overlay codes and dialling rules in Wisconsin
1 of Wisconsin’s 6 area codes are overlays — a second code laid over an existing footprint instead of splitting it. Wherever an overlay operates, local calls require the full ten-digit number.
Spam call reports in Wisconsin
These Wisconsin area codes drew the most reports to the FTC in the 30 days to 28 July 2026. The figures describe numbers displaying each code, which caller ID spoofing can fake.
Most reported Wisconsin area codes · last 30 days
| Code | Primary city | Reports |
|---|---|---|
| 608 | Madison | 692 |
| 920 | Green Bay | 516 |
| 715 | Eau Claire | 502 |
| 414 | Milwaukee | 374 |
| 262 | Kenosha | 338 |
| 534 | Eau Claire | 32 |
A number listed here may itself be a spoofing victim rather than the caller. These are unverified consumer reports.
Source: FTC Do Not Call Reported Calls Data, unverified consumer reports, retrieved 28 July 2026. Request a correction.
Calls from your Wisconsin numbers not landing?
Questions
How many area codes does Wisconsin have?
Wisconsin has 6 area codes: 262, 414, 534, 608, 715, 920.
What is the main area code for Milwaukee?
The main area code for Milwaukee is 414.
Which Wisconsin area code is oldest?
Area code 414 is the oldest in Wisconsin, in service since 1947.
Do I need to dial ten digits in Wisconsin?
Yes, anywhere an overlay operates. 1 of Wisconsin’s codes are overlays, and ten-digit dialling is required for local calls in those areas.
Which Wisconsin area code gets the most spam calls?
Area code 608 (Madison) drew the most reports of any Wisconsin code in the 30 days to 28 July 2026, with 692 numbers reported.