Geographic Regions and Area Codes in Las Vegas, Nevada

Las Vegas is located in Clark County, Nevada, and is the largest city in the state. The city is situated in the Las Vegas Valley, which is part of the Mojave Desert. The valley is a basin that collects rainwater and snowmelt, and it lies in an active fault zone. The total area of Las Vegas is approximately 135.86 square miles, with 135.81 square miles being land and 0.05 square miles being water.

Las Vegas is covered by two primary area codes: 702 and 725. The 702 area code has been active since October 1947 and covers the southern tip of Nevada, including Las Vegas and surrounding areas such as Henderson, Boulder City, and Spring Valley. The 725 area code was introduced later to accommodate the growing population and business needs.