The 353 area code covers the same area as 608, including Madison, Janesville and 141 more places in Wisconsin.
353 has been in service since 2023, on Central Time. 608 covers the same area, so two neighbours can have different area codes.
- Where
- 8 counties in Wisconsin, mostly Dane County, Rock County and La Crosse County
- Time zone
- Central Time
- In service since
- 2023
- Shares its area with
- 608 (since 1955)
- Prefixes in use
- 13
- How to dial
- Local calls need all 10 digits: 353-555-0142.
Find out who called you from a 353 number.
Enter the full 10-digit number to see who it is listed to, where it is registered, and whether it is a mobile, landline or VoIP line.
Madison holds 23% of the phone prefixes in area code 353.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 13 prefixes in use shows where 353 numbers are actually given out.
- Madison3 prefixes, 23%
- Highland1 prefix, 8%
- Lone Rock1 prefix, 8%
- Montello1 prefix, 8%
- Belleville1 prefix, 8%
- Bloomer1 prefix, 8%
- Deforest1 prefix, 8%
- Mazomanie1 prefix, 8%
Also served: Tomah, Dodgeville, Portage and Platteville and 131 smaller places.
353 started in 2023 as an overlay on 608, and its ground has not changed since.
2023
353 starts as an overlay on 608: new numbers on the same ground.
A 353 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
Wisconsin has 7 other area codes.
These are the questions people ask most about area code 353.
Where is area code 353?
353 covers Madison, Janesville, La Crosse and Beloit and 139 more places in Wisconsin, in Dane County, Rock County and La Crosse County.
What time zone is area code 353 in?
353 is on Central Time.
Is 353 the same area as 608?
Yes. 608 (since 1955) covers the same ground as 353. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 353 number?
Local calls need all 10 digits: 353-555-0142.
Who called me from a 353 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 353 a scam?
353 is a real Wisconsin area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.