Area Code Lookup
What Area Code Is Marshfield?
2 area codes serve Marshfield
Marshfield is served by area codes 339, 715. It spans Massachusetts and Wisconsin.
Area Codes Serving Marshfield
Frequently Asked Questions
What area code is Marshfield?
Marshfield is served by area codes 339, 715.
Why does Marshfield 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). Marshfield now has 2 area codes — 339 and 715 — covering the same or overlapping areas.
How do I call Marshfield from outside the US?
To call Marshfield from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-339-XXX-XXXX). The +1 is the country code for all NANPA countries.