The 404 area code covers Atlanta in Georgia.
Area code 404 is in Georgia, on Eastern Time. In the 404 area, phone numbers are given out in Fulton County. It has been in service since 1947. 470, 678 and 943 cover the same area, so two neighbours can have different area codes.
- Where
- Fulton County, Georgia
- Time zone
- Eastern Time
- In service since
- 1947, one of the original area codes
- Shares its area with
- 470 (since 2010), 678 (since 1998) and 943 (since 2022)
- Prefixes in use
- 781
- How to dial
- Local calls need all 10 digits: 404-555-0142.
Find out who called you from a 404 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (404) number is on today, use our free carrier lookup.
Works for US & Canada numbers. Enter a 10-digit number, e.g. (415) 555-0132.
Free & rate-limited. No signup required to try.
Atlanta holds every phone prefix in area code 404.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 781 prefixes in use shows where 404 numbers are actually given out.
- Atlanta781 prefixes, 100%
BellSouth (AT&T) holds the most phone number prefixes in area code 404: 289 of 781.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 781 prefixes in use in 404 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| BellSouth (AT&T)AT&T's landline company | 289 | 37% |
| T-MobileMobile network | 132 | 17% |
| AT&T MobilityMobile network | 90 | 12% |
| Metro by T-MobileT-Mobile's prepaid brand | 19 | 2% |
| American MessagingPaging network | 17 | 2% |
| Level 3 (Lumen)Lumen's business and wholesale network | 15 | 2% |
| 20 other carriers | 219 | 28% |
50% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
404 has been split 2 times since 1947.
1947
404 is one of the original North American area codes.
1992
On May 3, 1992, 706 splits off and takes part of the 404 area.
1995
On August 1, 1995, 770 splits off and takes part of the 404 area.
A 404 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 404 are 706, 478 and 256.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
Georgia has 9 other area codes.
These are the questions people ask most about area code 404.
Where is area code 404?
404 covers Atlanta in Georgia. In the 404 area, phone numbers are given out in Fulton County.
What state is area code 404 in?
Georgia. 404 is a Georgia area code on Eastern Time.
Which phone company owns area code 404?
No single phone company owns 404. NANPA's records show BellSouth (AT&T) holds the most 404 prefixes, 289 of 781, followed by T-Mobile and AT&T Mobility. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 404 in?
404 is on Eastern Time.
When did area code 404 start?
404 is one of the original North American area codes, in service since 1947.
Is 404 the same area as 470, 678 and 943?
Yes. 470 (since 2010), 678 (since 1998) and 943 (since 2022) cover the same ground as 404. Nobody's number changed when they were added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 404 number?
Local calls need all 10 digits: 404-555-0142.
Is 404 a toll-free number?
No. 404 is a regular area code for Atlanta in Georgia, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 404?
The closest are 706/762 (Augusta, Georgia), 478 (Macon, Georgia), 256/938 (Huntsville, Alabama) and 864/821 (Greenville, South Carolina), measured between the centres of each area.
Who called me from a 404 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 404 a scam?
404 is a real Georgia area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.