Area codes 801 and 385

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A map of Utah with the 801 and 385 area code overlay highlighted in red

801 and 385 are area codes under the North American Numbering Plan covering Salt Lake City and the four surrounding counties of the Wasatch Front in north-central Utah. Specifically, area codes 801 and 385 cover Davis, Morgan, Salt Lake, Utah, and Weber counties. Besides Salt Lake City, other towns included in this area code are Alta, Bountiful, Layton, Murray, Ogden, Orem, Provo, Sandy, South Jordan, Spanish Fork, Taylorsville, West Jordan, and West Valley City. This area code is in the Mountain Time Zone.

The main area code, 801, was one of the original area codes created in 1947, and covered the entire state of Utah. 385 is an overlay area code covering the same area as 801 which entered service on June 1, 2008.

On September 21, 1997, 801 was restricted to the Wasatch Front, while the rest of Utah was assigned area code 435. This split was originally intended to be a long-term solution. However, the Wasatch Front is not only home to most of Utah's landlines, but most of its pagers, cell phones and fax machines as well. As a result, within only two years 801 was close to exhaustion once again. In 2000, the Public Service Commission of Utah (PSC) approved a split for 801 to take effect in 2001, in which Salt Lake County would retain the 801 area code and the rest of the Wasatch Front would be transferred to area code 385.[1] Conservation measures, such as number pooling, postponed the split for more than seven years.[2]

In July 2007, the PSC 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 implemented as an overlay, so that the Wasatch Front would be served by both area codes. 385 entered service on June 1, 2008. On that date, a year-long permissive dialing period began during which seven and ten-digit calls could be completed. Ten-digit dialing became mandatory along the Wasatch Front on June 1, 2009.[2][3]

While the 801 area code is still the predominant area code in the region for land lines, 385 is being adopted quickly by wireless providers.

See also[edit]


  1. ^ New "2-way Split" Relief Alternative Approved for 801 Area Code Archived June 7, 2007, at the Wayback Machine., NANPA, 31 December 2000. Accessed 13 July 2007.
  2. ^ a b Order Selecting Area Code Overlay, and Reversing April 13, 2000 Order Selecting Area Code Split Archived October 11, 2007, at the Wayback Machine., Public Service Commission of Utah, 12th of July, 2007. Accessed 13 of July, 2007.
  3. ^ 385 area code = 10-digit dialing, Utah Public Service Commission Accessed 9th of July, 2008.

External links[edit]

Utah area codes: 385, 435, 801
North: 435
West: 435 Area Codes 385/801 East: 435
South: 435

Coordinates: 40°48′N 111°54′W / 40.8°N 111.9°W / 40.8; -111.9