404 Area Code — Atlanta, GA
Area code 404 serves Atlanta in Georgia. Local time follows America/New_York. It overlays with 470, 678, 770, 943, so 10-digit dialling is required.
- State
- Georgia
- Primary city
- Atlanta
- Timezone
- America/New_York
- In service since
- 1947
- Type
- Geographic
Cities Served by 404
The 404 area code covers 1 city in Georgia.
- Atlanta
About Area Code 404
Area code 404 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 Georgia region anchored on Atlanta.
404 now shares its territory with overlay codes (470, 678, 770, 943). 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 404 are portable: a person who moved away from Atlanta may still carry a 404 mobile number on their device. If you receive an unexpected call from a 404 number, run it through the reverse lookup tool above for the most accurate, free identification.
If you live or do business in Georgia, you may also interact with neighbouring or overlay codes (470, 678, 770, 943). See the related codes section below to explore the rest of Georgia.
Other Georgia Area Codes
Continue exploring the Georgia numbering plan.
404 Area Code FAQ
Where is area code 404?
Area code 404 is located in Georgia, primarily serving Atlanta. The region operates on ET (America/New_York) time.
What state is 404 area code?
404 is a Georgia area code. It was put into service in 1947 and shares its geographic footprint with overlay codes 470, 678, 770, 943.
Is 404 a scam area code?
404 is a legitimate North American area code allocated by NANPA to Georgia. Like any geographic area code, scammers sometimes spoof 404 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 404 use?
Area code 404 operates on ET (America/New_York). Numbers in this area code follow standard Georgia time-zone rules including any daylight-saving transitions for that region.
Can I look up a specific 404 phone number?
Yes. Use the reverse lookup widget above to enter a full 404 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 404 and 470?
404 and 470 cover the same Georgia 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.