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520
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Economic Overview
The 520 area code region features a diverse economy anchored by sectors such as aerospace and defense, healthcare, education, tourism, and agriculture. Major employers include the University of Arizona, Raytheon Missile Systems, Davis-Monthan Air Force Base, Banner Health, and various government agencies. The area’s proximity to the U.S.-Mexico border also supports robust trade and logistics industries.
Geographical Overview
Area code 520 covers southeastern and southern Arizona, including the city of Tucson and surrounding communities. It encompasses most of Pima County and parts of Pinal, Santa Cruz, Cochise, and Graham counties. Notable cities include Tucson, Nogales, Sierra Vista, Casa Grande (partial), Douglas, and Safford.
Location Info
Area code 520 serves a region stretching from the southern border with Mexico northward to parts of central Arizona, excluding the Phoenix metropolitan area. Its coverage includes the Sonoran Desert, the Santa Catalina Mountains, and border cities like Nogales. The area code was created in 1995 as a split from 602, and does not include the city of Phoenix.
Population Demographics
The region has a diverse and growing population, with a significant Hispanic and Latino community, especially near the border. Tucson, the largest city, is known for its youthful demographic due to the presence of the University of Arizona, as well as a sizable retiree population attracted by the warm climate. Rural areas are less densely populated, with communities engaged in agriculture and ranching.
Time Zone Info
Area code 520 is located entirely within the Mountain Time Zone (MST), and Arizona does not observe Daylight Saving Time, remaining on standard time year-round.
Other Area Code Details
The 520 area code region contains unique natural attractions such as Saguaro National Park, Kartchner Caverns State Park, and Mount Lemmon. Tucson is recognized as the first UNESCO City of Gastronomy in the United States, and the area is known for its vibrant arts scene and multicultural heritage.
