Missouri (MO)
Calling Codes
Ringing St. Louis, Kansas City, or Springfield? Pay only cheap per minute rates with no contracts, look up every Missouri area code (314, 816, 417, and others), and connect to the "Show-Me State" right from your browser.
How to Call Missouri
Reaching Missouri uses the standard North American Numbering Plan (NANP), so the sequence is quick to learn.
Exit Code
Dial 00 (Europe) or 011 (rest of the world) to open the line.
(Use + on mobile/VoIP)
US Code (+1)
Dial +1, the single country code that serves the entire United States, Missouri included.
Area Code
Add the 3-digit Missouri area code, such as 314, and then the 7-digit local number.
Time Zone Alert: Central Time (CT)
Missouri keeps Central Time. If you are dialing from Europe, say London, the state typically runs 6 hours behind you.
Aim for 9:00 AM to 5:00 PM MO time for the best pickup rate.
Missouri Area Codes List
Match your Missouri destination to its area code before you dial.
| Area Code | Major Cities / Region |
|---|---|
| 314 | St. Louis City & inner suburbs |
| 816 | Kansas City & St. Joseph |
| 417 | Springfield, Joplin, Branson (Southwest) |
| 573 | Columbia, Jefferson City, Cape Girardeau (East/Central) |
| 636 | Chesterfield, St. Charles (West/South St. Louis suburbs) |
| 660 | Sedalia, Kirksville, Maryville (North/West rural) |
Pay Less to
Call Missouri?
Dialing the USA from overseas on a legacy carrier drains your balance fast. Intercalling carries your call to Missouri numbers over the internet, so you keep crisp audio while paying a tiny share of the usual price.
- Connect to St. Louis & KC businesses in seconds
- Pay as you go with no long-distance surcharges
- Runs in any browser (Chrome, Safari, Edge)
- Encrypted, secure connection on every call
Local Presence
Ring shops and offices in Branson or Columbia with zero hassle.
Global Access
Dial in from any country and sound like a local US caller.
Private
Your own number stays hidden whenever you place a web call.
Fast
WebRTC keeps latency low and the voice quality in HD.
Frequently Asked Questions
Which area code should I use for St. Louis?
St. Louis City and the inner suburbs run on 314, the outer western and southern suburbs use 636, and just across the river in Illinois the code is 618.
What area code reaches Kansas City, MO?
Kansas City, Missouri is on area code 816. Keep in mind that Kansas City, Kansas, just over the border, uses area code 913 instead.
Has Missouri added any new area codes?
It has. Overlays are spreading, with 557 layered over 314 in St. Louis and 975 over 816 in KC, so always dial all 10 digits.
What does a call to Missouri from Europe cost?
Legacy carriers can charge upwards of $1 per minute. Intercalling routes the call over the internet, which keeps the per minute rate low and pay as you go.
Ready to call Missouri for less?
Reach family, friends, or businesses across the Show-Me State in moments, all at a low per minute rate.

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