816 Area Code — Kansas City, MO
Area code 816 serves Kansas City and 3 other cities in Missouri. Local time follows America/Chicago. It overlays with 975, so 10-digit dialling is required.
- State
- Missouri
- Primary city
- Kansas City
- Timezone
- America/Chicago
- In service since
- 1947
- Type
- Geographic
- Overlay codes
- 975
Cities Served by 816
The 816 area code covers 4 cities and communities in Missouri.
- Kansas City
- Independence
- Lee's Summit
- Liberty
About Area Code 816
Area code 816 is a North American Numbering Plan (NANP) area code that has been in service since 1947. It is administered by NANPA on behalf of the FCC and serves the Missouri region anchored on Kansas City.
816 now shares its territory with an overlay code (975). 10-digit dialling is required for local calls within this region because the same 7-digit number can be assigned under either code.
Mobile numbers in 816 are portable: a person who moved away from Kansas City may still carry a 816 mobile number on their device. If you receive an unexpected call from a 816 number, run it through the reverse lookup tool above for the most accurate, free identification.
If you live or do business in Missouri, you may also interact with neighbouring or overlay codes (975). See the related codes section below to explore the rest of Missouri.
Other Missouri Area Codes
Continue exploring the Missouri numbering plan.
816 Area Code FAQ
Where is area code 816?
Area code 816 is located in Missouri, primarily serving Kansas City and surrounding cities including Independence, Lee's Summit, Liberty. The region operates on CT (America/Chicago) time.
What state is 816 area code?
816 is a Missouri area code. It was put into service in 1947 and shares its geographic footprint with overlay code 975.
Is 816 a scam area code?
816 is a legitimate North American area code allocated by NANPA to Missouri. Like any geographic area code, scammers sometimes spoof 816 numbers — judge each call by content (urgent demands, unfamiliar transfers) rather than the area code alone. Run the specific number through our reverse lookup if you're unsure.
What time zone does 816 use?
Area code 816 operates on CT (America/Chicago). Numbers in this area code follow standard Missouri time-zone rules including any daylight-saving transitions for that region.
Can I look up a specific 816 phone number?
Yes. Use the reverse lookup widget above to enter a full 816 number. NumLocation returns the line type (mobile, landline, VoIP), carrier, rate-center city, and any public listings tied to the number — free.
What's the difference between 816 and 975?
816 and 975 cover the same Missouri geographic area as overlay codes. Calls between them are local, but you must dial all 10 digits. New phone numbers in this region are assigned from either pool depending on what's available with the carrier at signup.