385 and 801 are area code overlays under the North American Numbering Plan covering the Wasatch Front in northern Utah. Specifically, 385 and 801 cover Salt Lake, Utah, Davis, Weber, and Morgan counties. Some cities and towns included in this area code are Salt Lake City, Ogden, Layton, Bountiful, Orem, Provo, Kearns, Alta, Murray, Midvale, and Sandy. The 385 area code was overlaid on the 801 area code on March 1, 2009.
Until September 1997, all of Utah was served by the 801 area code. At that time all of the counties outside of the Wasatch Front were assigned the 435 area code.
In 2000, the Utah Public Service Commission approved a split for 801 to take effect in 2001, in which Salt Lake County would retain the 801 area code and Utah, Davis, Weber and Morgan Counties would form a new non-contiguous area code 385.[1] Conservation measures allowed the repeated postponement of the area code split.[2]
In July 2007, the PSC of Utah announced that the conservation measures would be exhausted in approximately June 2008, finally necessitating the implementation of the 385 area code. The same announcement stated that 385 would be overlaid, not split, with 801, so that both 801 and 385 would serve all five counties belonging to the pre-overlay 801 area code.
The 385/801 overlay introduced mandatory 10-digit local dialing to the Wasatch Front on March 1, 2009 (beginning June 1, 2008 and ending March 1, 2009, both seven and ten-digit calls were allowed).[2][3]
| State of Utah area codes: 385, 435, 801 | ||
|---|---|---|
| North: 435 | ||
| West: 435 | area code 385/801 | East: 435 |
| South: 435 | ||
  | New "2-way Split" Relief Alternative Approved for 801 Area Code - NANPA : Press Release |
| | List of exchanges from AreaCodeDownload.com, 801 Area Code - 801 Area Code | Free Area Code Search |
| | List of exchanges from AreaCodeDownload.com, 385 Area Code - 385 Area Code | Free Area Code Search |
| | 385 area code = 10-digit dialing - Utah Division of Public Utilities |
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