Area Code Atlas

NPA 435 created from 801

Area code 435 was created in September 1997 when it split from area code 801, which was geographically reduced to serve the Wasatch Front in Utah. The new code covers most of the state outside the Salt Lake City region.

Extension of Permissive Dialing Period for Utah 801 and 435 NPA Relief; Reference PL-NANP-065

NPA 435 projected exhaust

Area code 435 is projected not to exhaust until 2041, according to numbering plan projections. This reflects the low population density and demand for numbers in the region.