Williston, ND is currently using only one area code which is area code 701. Area code 701 covers the entire state of North Dakota and was established in 1947.
In addition to Williston, ND area code 701 serves the larger communities of Bismarck, Fargo, Grand Forks and Minot in addition to many smaller communities within the service area. As a result of significant growth in North Dakota and increased demand for telephone numbers the North Dakota Public Service Commission has considered requesting a new area code assignment for the state either as an overlay or a geographic split.
Williston, ND is located in Williams County and observes the Central Time Zone.
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