Missouri Area Codes

7 area codes serve Missouri

Missouri Area Codes Overview

Missouri, a state in the central United States, is served by multiple area codes that help efficiently manage telecommunications across its diverse regions. The most prominent area codes include 314, covering the St. Louis metropolitan area, a bustling hub of culture and commerce. The 816 area code serves Kansas City and its surrounding areas, contributing to the economic vibrancy and cultural richness of western Missouri. In the southern part of the state, area code 417 encompasses cities such as Springfield, known for its educational institutions and outdoor attractions. As Missouri continues to grow and evolve, area codes play a crucial role in maintaining effective communication networks, connecting communities, and facilitating the state's dynamic development.

Largest 35 cities in Missouri

City Population
Kansas City 459,787
St. Louis 319,294
Springfield 159,498
Independence 116,830
Columbia 108,500
Lee's Summit 91,364
O'Fallon 79,329
St. Joseph 76,780
St. Charles 65,794
Blue Springs 52,575
St. Peters 52,575
Florissant 52,158
Joplin 50,150
Chesterfield 47,484
Jefferson City 43,079
Cape Girardeau 37,941
Oakville 36,143
Wildwood 35,517
University City 35,371
Ballwin 30,404
Raytown 29,526
Liberty 29,149
Wentzville 29,070
Mehlville 28,380
Kirkwood 27,540
Maryland Heights 27,472
Hazelwood 25,703
Gladstone 25,410
Grandview 24,475
Belton 23,116
Webster Groves 22,995
Sedalia 21,387
Ferguson 21,203
Arnold 20,808
Affton 20,307

Missouri Area Codes List