Wisconsin area codes
Wisconsin has 8 active area codes. It started with 2 of the original 1947 codes (414, 715). The newest is 353 (2023).
The busiest codes by active prefixes are 608 (Madison), 715 (Eau Claire), 920 (Green Bay), 262 (Waukesha), 414 (Milwaukee) — the remaining 3 cover smaller regions or arrived recently as overlays.
3 overlay complexes operate in Wisconsin: 274/920, 353/608, 534/715. Inside a complex the codes share territory and local calls take ten digits.
Since 2010 the state has gained 3 codes: 534 (2010), 274 (2023), 353 (2023).
Every Wisconsin code keeps Central time.
Numbers in the toll-free 8YY family are absent here by design: they carry no state assignment and answer anywhere in the US, Canada and the Caribbean.
Use the per-code pages to go deeper — coverage by locality, full prefix tables for the most-searched codes, and NANPA's capacity forecasts for each.
| Code | Major area | In service | Overlay complex | Prefixes |
|---|---|---|---|---|
| 262 | Waukesha | 1999 | — | 631 |
| 274 | Green Bay | 2023 | 274/920 | 28 |
| 353 | Madison | 2023 | 353/608 | 12 |
| 414 | Milwaukee | 1947 | — | 551 |
| 534 | Rhinelander | 2010 | 534/715 | 93 |
| 608 | Madison | 1955 | 353/608 | 785 |
| 715 | Eau Claire | 1947 | 534/715 | 784 |
| 920 | Green Bay | 1997 | 274/920 | 784 |
FAQ
How many area codes does Wisconsin have?
8 geographic area codes are currently in service: 262, 274, 353, 414, 534, 608, 715, 920.
What was Wisconsin's first area code?
414, in service since 1947.
Will Wisconsin get a new area code soon?
Not soon. The earliest exhaust forecast in the state is 262 at 1Q 2036, so current codes have ample capacity.
Which time zone are Wisconsin numbers in?
All Wisconsin area codes are in the Central time zone.