Area code 620

Area Code 620 is an area code for most of southern Kansas. It was made on February 3, 2001. The area code goes from the Colorado border to the east, to the Missouri border. 316 is inside it, and it's only for Wichita.
Other websites

 Area Code History
 1947 Area Code Assignment Plan
 List of exchanges from AreaCodeDownload.com, 620 Area Code

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