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520 Area Code: Location, Time Zone & Phone Lookup

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What Does Area Code 520 Mean?

Area code 520 is the area code for Tucson, AZ and the surrounding areas. It is the only area code that serves the area.

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Area Codes Starting with 5

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520 is a large area code in southern Arizona, including Tucson and its suburbs. It covers a significant portion of the state, and has been in use since 1957.In the early days of 520, it was split into two zones: 520 and 520-1. 520 was the northern half, while 520-1 was the southern half. In the early 1990s, the two halves were recombined into a single area code.

Today, 520 is one of the most heavily populated area codes in the United States. It's also one of the most diverse, with a large number of rural and urban communities.

If you're looking to call someone in southern Arizona, you'll need to use the 520 area code. There are a number of communities in this area, including Tucson, Green Valley, and Nogales.

520 is located in the Mountain Time Zone.

Phone Number Prefixes In The 520 Area Code