Area codes in Madison, Wisconsin
Madison, Wisconsin uses 2 area codes — 608 and 353. The main Madison area code is 608.
Area codes serving Madison
Phone numbers in Madison are written as ten digits — for example (608) 555-0190 — and fall in the Central Time zone.
How Madison came to have 2 area codes
The original Madison area code is 608, in service since 1955. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 353 (2023). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Madison now uses all 2 codes and every local call is dialed with ten digits.
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Nearby cities
- Janesville area codes
- Watertown area codes
- Rockford area codes
- Milwaukee area codes
- Dubuque area codes
- Oshkosh area codes
- Racine area codes
- DeKalb area codes
More cities in Wisconsin
- Green Bay area codes
- Appleton area codes
- Kenosha area codes
- Eau Claire area codes
- Sheboygan area codes
- Wausau area codes
Frequently asked questions
What is the area code for Madison?
The main area code for Madison, Wisconsin is 608. Madison is now served by 2 area codes in total: 608, 353.
How many area codes does Madison have?
Madison has 2 area codes: 608, 353.
Why does Madison have more than one area code?
As Madison used up the numbers available in its original area code (608, in service since 1955), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Madison number?
Dial all 10 digits — the area code (608 or 353) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.