Area Code Lookup
What Area Code Is Marathon?
2 area codes serve Marathon
Marathon is served by area codes 534, 807. It spans Wisconsin and Ontario.
Area Codes Serving Marathon
Frequently Asked Questions
What area code is Marathon?
Marathon is served by area codes 534, 807.
Why does Marathon have multiple area codes?
As demand for phone numbers increased, NANPA added area codes through splits (dividing the region) or overlays (layering a new code over the same geography). Marathon now has 2 area codes — 534 and 807 — covering the same or overlapping areas.
How do I call Marathon from outside the US?
To call Marathon from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-534-XXX-XXXX). The +1 is the country code for all NANPA countries.