Missouri Area Codes
9 active area codes · Kansas City · Population around 4,399,718
Missouri has 9 active area codes, serving cities like Kansas City, St. Louis, and Springfield. Some of them are overlays that share the same territory, so local calls there use all ten digits. Each code below links to its cities, carriers, timezone, and coverage map.
Missouri Area Code Map
What area codes does Missouri have?
- 235OverlayColumbiaCentral Time (CT) · 287 cities · 658,576
- 314OverlaySt. LouisCentral Time (CT) · 91 cities · 1,006,619
- 417SpringfieldCentral Time (CT) · 203 cities · 598,323
- 557OverlaySt. LouisCentral Time (CT) · 91 cities · 1,006,619
- 573OverlayColumbiaCentral Time (CT) · 287 cities · 658,576
- 636OverlayO'FallonCentral Time (CT) · 78 cities · 705,662
- 660OverlaySedaliaCentral Time (CT) · 253 cities · 256,472
- 816OverlayKansas CityCentral Time (CT) · 126 cities · 1,246,329
- 975OverlayKansas CityCentral Time (CT) · 126 cities · 1,246,329
Which cities are the largest in Missouri?
* Sources: Population – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). Area code assignments – NANPA CO Code data. See our data methodology.
Frequently Asked Questions
How many area codes does Missouri have?
Missouri has 9 active area codes: 235, 314, 417, 557, 573, 636, 660, 816, 975.
What is the main area code for Missouri?
The 235 area code is among the primary area codes for Missouri, serving Columbia and surrounding communities.
What are the largest cities in Missouri?
The largest cities in Missouri include Kansas City, St. Louis, Springfield, Columbia, Independence.
What is the total population of Missouri?
Missouri has an estimated total population of 4,399,718 based on US Census PEP 2024 data.