Area codes 801 and 385

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

Area codes 801 and 385 are area codes in the North American Numbering Plan assigned for service in Salt Lake City and the four surrounding counties of the Wasatch Front in north-central Utah. The numbering plan area includes the counties of Davis, Morgan, Salt Lake, Utah, and Weber. Towns within the service area include Salt Lake City, Alta, Bountiful, Layton, Murray, Ogden, Orem, Provo, Sandy, South Jordan, Spanish Fork, Taylorsville, West Jordan, and West Valley City. This numbering plan area is located in the Mountain Time Zone.

Area code 801 was one of the original area codes created in 1947, and covered the entire state of Utah. Area code 385 is an overlay to the same numbering plan area which commenced service on June 1, 2008.

On September 21, 1997, numbering plan area 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 also most of its pagers, cell phones and fax machines. 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 have retained the 801 area code and the rest of the Wasatch Front would have been assigned 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 capacity created by the conservation measures would be exhausted by June 2008, finally necessitating the implementation of area code 385. The same announcement stated that 385 would be implemented as an overlay plan, so that the Wasatch Front would be served by both area codes. 385 entered service on June 1, 2008, with a year-long permissive dialing period beginning 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 area code 801 is still the predominant area code in the region for land lines, 385 is being adopted quickly by wireless providers.[citation needed]

See also[edit]

References[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