Quick Answer

Missouri has 8 active area codes: 314, 417, 557, 573, 636, 660, 816, 975. All Missouri area codes are in the Central time zone. Data source: NANPA.

All Area Codes in Missouri

CodeRegionMajor CitiesTimezone
314 St. Louis St. Louis, Clayton, Kirkwood Central
417 Southwestern Missouri Springfield, Joplin, Branson Central
557 St. Louis (overlay) St. Louis, Clayton, Chesterfield Central
573 Eastern and Central Missouri Columbia, Jefferson City, Cape Girardeau Central
636 St. Louis suburbs Florissant, Chesterfield, O'Fallon Central
660 North Central Missouri Sedalia, Kirksville, Chillicothe Central
816 Kansas City Kansas City, Independence, Lee's Summit Central
975 Kansas City (overlay) Kansas City, Independence, Blue Springs Central
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Frequently Asked Questions

How many area codes does Missouri have?
Missouri has 8 active area codes: 314, 417, 557, 573, 636, 660, 816, 975.
What are the area codes in Missouri?
The area codes in Missouri are: 314 (St. Louis), 417 (Southwestern Missouri), 557 (St. Louis (overlay)), 573 (Eastern and Central Missouri), 636 (St. Louis suburbs), 660 (North Central Missouri), 816 (Kansas City), 975 (Kansas City (overlay)).
What area code is St. Louis?
St. Louis uses area code 314, located in St. Louis, Missouri.
What time zone are Missouri area codes in?
All area codes in Missouri are in the Central time zone.
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