314 Area Code — Saint Louis, MO
Area code 314 serves Saint Louis and 2 other cities in Missouri. Local time follows America/Chicago. It has no overlay codes.
- State
- Missouri
- Primary city
- Saint Louis
- Timezone
- America/Chicago
- In service since
- 1947
- Type
- Geographic
- Overlay codes
- None
Cities Served by 314
The 314 area code covers 3 cities and communities in Missouri.
- Saint Louis
- Florissant
- University City
About Area Code 314
Area code 314 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 Saint Louis.
314 is currently a single-coverage geographic area code with no overlays. This means a 7-digit number in this area code is unique within its rate centers, though best-practice is always to dial the full 10-digit number when contacting a 314 line.
Mobile numbers in 314 are portable: a person who moved away from Saint Louis may still carry a 314 mobile number on their device. If you receive an unexpected call from a 314 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. See the related codes section below to explore the rest of Missouri.
Other Missouri Area Codes
Continue exploring the Missouri numbering plan.
314 Area Code FAQ
Where is area code 314?
Area code 314 is located in Missouri, primarily serving Saint Louis and surrounding cities including Florissant, University City. The region operates on CT (America/Chicago) time.
What state is 314 area code?
314 is a Missouri area code. It was put into service in 1947 and has no overlay codes — it covers its geographic area exclusively.
Is 314 a scam area code?
314 is a legitimate North American area code allocated by NANPA to Missouri. Like any geographic area code, scammers sometimes spoof 314 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 314 use?
Area code 314 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 314 phone number?
Yes. Use the reverse lookup widget above to enter a full 314 number. NumLocation returns the line type (mobile, landline, VoIP), carrier, rate-center city, and any public listings tied to the number — free.