Find any 913- phone number in Kansas
# Kansas Area Code 913
The 913 area code serves the Kansas City metropolitan area on the Kansas side of the Missouri-Kansas border, covering major cities including Kansas City, Overland Park, Lenexa, and Olathe. Established in 1957 as part of the original North American Numbering Plan (NANP), the 913 area code encompasses Johnson County and surrounding regions in northeastern Kansas. This area code became particularly significant as the Kansas City suburbs experienced substantial growth throughout the late 20th century, making it one of the most populous area codes in Kansas and a vital telecommunications identifier for the region's business and residential communities.
The North American Numbering Plan is a standardized system that organizes telephone numbers across the United States, Canada, and several Caribbean nations. Area codes like 913 are three-digit designations assigned to geographic regions, with the first digit historically indicating the region's general location and density. The NANP system was developed to facilitate efficient routing of calls and manage the growing demand for telephone services. Area codes are administered by the North American Numbering Plan Administrator (NANPA), which ensures that codes are allocated appropriately to regions based on population and telecommunications needs. As demand for telephone numbers in the 913 area code grew, overlay area code 816 was eventually introduced to serve the same geographic region, allowing both codes to coexist in Kansas City's telecommunications infrastructure.