Area codes in Wausau, Wisconsin
Wausau, Wisconsin uses 2 area codes — 715 and 534. The main Wausau area code is 715.
Area codes serving Wausau
Phone numbers in Wausau are written as ten digits — for example (715) 555-0190 — and fall in the Central Time zone.
How Wausau came to have 2 area codes
The original Wausau area code is 715, in service since 1947. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 534 (2010). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Wausau now uses all 2 codes and every local call is dialed with ten digits.
All Wisconsin area codes · Is a Wausau call a scam?
Nearby cities
- Appleton area codes
- Oshkosh area codes
- Green Bay area codes
- Eau Claire area codes
- Sheboygan area codes
- Watertown area codes
- Madison area codes
- Marquette area codes
More cities in Wisconsin
Frequently asked questions
What is the area code for Wausau?
The main area code for Wausau, Wisconsin is 715. Wausau is now served by 2 area codes in total: 715, 534.
How many area codes does Wausau have?
Wausau has 2 area codes: 715, 534.
Why does Wausau have more than one area code?
As Wausau used up the numbers available in its original area code (715, in service since 1947), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Wausau number?
Dial all 10 digits — the area code (715 or 534) 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.