Utah area codes
Utah has 3 area codes, all on UTC−7 standard time. Each card shows the main cities; open one for its overlays, history and a free lookup.
常见问题
Utah area code questions
How many area codes does Utah have?
Utah has 3 area codes in service: 385, 435 and 801.
What was the original Utah area code?
801 was among the original area codes created in 1947.
What is the newest area code in Utah?
385, in service since March 29, 2009 as an overlay on 801.
What time zone is Utah area codes in?
Mountain.
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Sources: NANPA NPA database (11/04/2026) and Google libphonenumber. Area codes show where a number was assigned, not where its owner is today.