The 684 area code covers American Samoa.
Area code 684 is in American Samoa, on Samoa Time. It has been in service since October 2, 2004.
- Where
- American Samoa, American Samoa
- Time zone
- Samoa Time
- In service since
- October 2, 2004
- Shares its area with
- No other area code
- Prefixes in use
- 21
- How to dial
- Local calls inside 684 can still be dialed with just 7 digits.
Find out who called you from a 684 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 (684) number is on today, use our free carrier lookup.
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American Samoa holds every phone prefix in area code 684.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 21 prefixes in use shows where 684 numbers are actually given out.
- American Samoa21 prefixes, 100%
American Samoa Telecommunications Authority holds 57% of the phone number prefixes in area code 684, more than all other carriers combined.
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 21 prefixes in use in 684 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| American Samoa Telecommunications Authority | 12 | 57% |
| AST Telecom | 9 | 43% |
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.
684 has covered the same ground since 2004.
2004
684 goes into service on October 2, 2004.
A 684 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.
These are the questions people ask most about area code 684.
Where is area code 684?
684 covers American Samoa in American Samoa.
Which phone company owns area code 684?
No single phone company owns 684. NANPA's records show American Samoa Telecommunications Authority holds the most 684 prefixes, 12 of 21, followed by AST Telecom. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 684 in?
684 is on Samoa Time.
When did area code 684 start?
684 went into service on October 2, 2004.
How do I dial a 684 number?
Local calls inside 684 can still be dialed with just 7 digits.
Is 684 a toll-free number?
No. 684 is a regular area code for American Samoa in American Samoa, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
Who called me from a 684 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 684 a scam?
684 is a real American Samoa 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.