The state of Utah is divided into two telephone numbering plan areas in the North American Numbering Plan (NANP), which are assigned a total of three area codes, organized as an overlay complex for the Salt Lake City area with two codes, and one code for the rest of the state.
Areacode Yearcreated ParentNPA Overlay Numbering plan area 801 1947 – 385/801 Salt Lake City metropolitan area, including American Fork, Bountiful, Kaysville, Morgan, Ogden, Orem, Provo, Spanish Fork 385 2009 801 435 1997 801 – All other counties outside of NPA 801
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