Area Code Lookup
What Area Code Is Williston?
2 area codes serve Williston
Williston is served by area codes 701, 802. It spans North Dakota and Vermont.
Area Codes Serving Williston
Frequently Asked Questions
What area code is Williston?
Williston is served by area codes 701, 802.
Why does Williston 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). Williston now has 2 area codes — 701 and 802 — covering the same or overlapping areas.
How do I call Williston from outside the US?
To call Williston from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-701-XXX-XXXX). The +1 is the country code for all NANPA countries.