Missouri Area Codes — 9 Codes
Missouri has 9 North American Numbering Plan area codes, covering about 8,546,893 people. The table lists each code with its largest towns, population and overlaps.
All area codes in Missouri
| Area code | Largest towns | Population | ZIP codes | Overlaps |
|---|---|---|---|---|
| 816 | Kansas City, Independence, Lees Summit | 1,389,532 | 175 | 975 |
| 573 | Columbia, Jefferson City, Cape Girardeau | 1,177,656 | 336 | — |
| 975 | Kansas City, Independence, Lees Summit | 1,171,268 | 118 | 816 |
| 417 | Springfield, Joplin, Nixa | 1,072,502 | 246 | — |
| 636 | Saint Charles, O Fallon, Ballwin | 1,007,929 | 72 | — |
| 314 | Saint Louis, Saint Ann | 903,029 | 69 | 557 |
| 557 | Saint Louis, Saint Ann | 903,029 | 69 | 314 |
| 235 | Columbia, Jefferson City, Cape Girardeau | 490,059 | 81 | 573 |
| 660 | Sedalia, Warrensburg, Kirksville | 431,889 | 230 | — |
Largest cities in Missouri
Saint Louis 314, 557Kansas City 816, 975Springfield 417Columbia 235, 573Saint Charles 636Independence 816, 975Lees Summit 816, 975O Fallon 636Ballwin 636Saint Joseph 816, 975Saint Peters 636Joplin 417Jefferson City 235, 573Chesterfield 636Blue Springs 816, 975Wentzville 636Cape Girardeau 235, 573Fenton 636Liberty 816Nixa 417Poplar Bluff 573Sedalia 660Arnold 636Ozark 417Rolla 573Lebanon 417Lake Saint Louis 636Belton 816, 975Farmington 235, 573Imperial 636Branson 417Warrensburg 660Troy 636Jackson 235, 573Carthage 417Grandview 816, 975Raymore 816, 975West Plains 417Neosho 417Washington 636
Frequently asked questions
How many area codes does Missouri have?
Missouri uses 9 area codes.
What is the main area code in Missouri?
816 covers the largest population in Missouri.
How do I find the area code for a town?
Open the town in the city list above; each town page lists every area code assigned to it.