Missouri Area Codes

Updated February 12, 2020 | Infoplease Staff
Area codes Selected cities
314St. Louis, Webster Groves
417Springfield, Joplin
573Jefferson City, Columbia
636Chesterfield, St. Charles
816Kansas City, Independence
Source: North American Numbering Plan Administration. Web: www.nanpa.com .

To find phone numbers, area code information, and area code maps, see our White Pages.

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Area Codes: United States, Canada, Caribbean
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