Missouri Dialing Codes, Country Codes and Area Codes
| City | Country Codes | Area Codes | Dialing Codes |
|---|---|---|---|
| Belton | +1 | 816 | +1 816 |
| Blue Springs | +1 | 816 | +1 816 |
| Cape Girardeau | +1 | 573 | +1 573 |
| Chesterfield | +1 | 636 | +1 636 |
| Columbia | +1 | 803 | +1 803 |
| Florissant | +1 | 314 | +1 314 |
| Independence | +1 | 816 | +1 816 |
| Jefferson City | +1 | 573 | +1 573 |
| Joplin | +1 | 417 | +1 417 |
| Kansas City | +1 | 660 | +1 660 |
| Kirksville | +1 | 660 | +1 660 |
| Liberty | +1 | 816 | +1 816 |
| Nixa | +1 | 417 | +1 417 |
| Ozark | +1 | 417 | +1 417 |
| Rolla | +1 | 620 | +1 620 |
| Saint Charles | +1 | 636 | +1 636 |
| Sedalia | +1 | 303 | +1 303 |
| Sikeston | +1 | 573 | +1 573 |
| Springfield | +1 | 417 | +1 417 |
| Warrensburg | +1 | 660 | +1 660 |
| Wentzville | +1 | 636 | +1 636 |
