520 area code

Area code 520 is the primary area code for the southern region of Arizona, including the cities of Tucson, Sierra Vista, and Nogales. It was created in 1995 when Arizona underwent a significant area code split, and since then, it has undergone several changes and updates. Today, area code 520 covers an extensive area of…

540 area code

The 540 area code is a North American telephone area code that covers a large portion of southwestern Virginia, including the cities of Roanoke, Salem, and Lynchburg. It also covers several smaller towns and rural areas in the Appalachian Mountains region. The area code was established in 1996 as a split from the 703 area…

559 area code

559 is a North American telephone area code belonging to central California, covering cities such as Fresno, Clovis, Hanford, Madera, Porterville, Reedley, Sanger, and Visalia. It was created on November 14th, 1998, as a result of a three-way split from area code 209. At its inception, it covered most of California’s Central Valley region, stretching…

631 area code

The 631 area code is a telephone area code for Suffolk County, located in the southeastern portion of New York’s Long Island. It was created in 1999 from the split of area code 516, which previously served all of Long Island. The 631 area code encompasses the entire county, with the exception of the Town…

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