Missouri Phone Numbers
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The 235 area code covers parts of St. Louis and western Illinois. It was installed in March 2021 after the 314 area code ran out of numbers.
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The 314 area code covers the St. Louis metropolitan area in Missouri, including St. Louis City and parts of several nearby counties.
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417 is Missouri's area code, covering the southwestern corner of the state. It includes the cities of Springfield, Branson, and Joplin.
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The 557 area code is in Missouri and serves parts of the St Louis, Springfield, Joplin, and Branson areas.
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573 is the area code for the eastern half of Missouri, including its largest cities of Columbia and St. Louis.
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The 636 area code covers parts of eastern Missouri and is located within the North American Numbering Plan.
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660 is a Missouri area code covering the northwest portion of the state, including cities like Maryville and Nevada.
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The 816 area code covers parts of Missouri including Kansas City and St. Joseph. It was created in 1947 and overlays with the 975 area code.
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975 area code is a North American Numbering Plan area code in Missouri. It was introduced in 2020 to provide additional phone numbers to the region.