The 353 area code covers the same area as 608, including Madison, Janesville and 141 more places in Wisconsin.
Area code 353 is in Wisconsin, on Central Time. In the 353 area, phone numbers are given out most in Dane County, then Rock and La Crosse counties. It has been in service since September 15, 2023. 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
- September 15, 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, the city and state on the listing, and whether it is a mobile, landline or VoIP line. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup.
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.
Each prefix, or block of 1,000 numbers inside it, is also handed to a carrier. A number keeps its digits when its owner switches carrier, so the prefix no longer tells you who carries it today. Our free carrier lookup shows which carrier a 353 number is on now.
353 started in 2023 as an overlay on 608, and its ground has not changed since.
2023
353 starts on September 15, 2023, 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.
The area codes closest to 353 are 563, 262 and 319.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
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 the 353 area, phone numbers are given out most in Dane County, then Rock and La Crosse counties.
What state is area code 353 in?
Wisconsin. 353 is a Wisconsin area code on Central Time.
What cities use area code 353?
The places holding the most 353 prefixes are Madison, Janesville, La Crosse, Beloit, Middleton, Stoughton, Monroe and Baraboo, out of 143 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
What time zone is area code 353 in?
353 is on Central Time.
When did area code 353 start?
353 went into service on September 15, 2023, as an overlay on 608: new numbers for the same area.
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.
Is 353 a toll-free number?
No. 353 is a regular area code for Madison and Janesville in Wisconsin, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 353?
The closest are 563 (Davenport, Iowa), 262 (Waukesha, Wisconsin), 319 (Cedar Rapids, Iowa) and 920/274 (Green Bay, Wisconsin), measured between the centres of each area.
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.