Area code 684: American Samoa
Area code 684 is a US territory area code for American Samoa, on American Samoa Standard Time. All 21 of its prefixes in service are in the Am Samoa rate center. NANPA lists no overlay code for it. Local calls there take 7 digits.
Local time in area code 684
Pacific/Pago_Pago
Prefixes in service
21 of 792 possible
1 rate center
Area code 684 facts
| Location | American Samoa, United States |
|---|---|
| Time zone | American Samoa Standard Time |
| Overlays | None |
| In service since | October 2, 2004 |
| Local calls | 7 digits |
| Carrier | Not shown. An area code is where a number was issued; numbers port between carriers. Check line type |
Which cities and towns use area code 684?
NANPA records each prefix against a rate center, the local billing area a number belongs to, usually named after its main town. These are the 684 rate centers with the most prefixes in service.
| Rate center | Prefixes |
|---|---|
| Am Samoa | 21 |
Source: NANPA central office code assignments, file dated 10/17/2026. Each prefix holds up to 10,000 numbers.
How do I dial a 684 number?
NANPA's dialling plan for 684: local calls inside the code take 7 digits. From another area code, dial 1 first. From abroad, use +1. The examples use 555-0147, from a range reserved for fictional numbers.
| Local call inside 684 | 555-0147 |
|---|---|
| From another US or Canadian area code | 1-684-555-0147 |
| From outside North America | +1 684 555 0147 |
| E.164, for CRMs and SMS tools | +16845550147 |
When did area code 684 start?
Area code 684 went into service on October 2, 2004. It has no overlay, so every number in its area still starts with it.
Tools for 684 numbers
- Area code lookup
Look up any code or a whole list of numbers, or find the codes for a state or city.
- Area code time zone
Local time for a list of numbers, with a callable-now flag.
- NPA-NXX lookup
Rate center and state for one prefix, a level below the area code.
- TCPA calling hours checker
Whether it's inside the federal 8 a.m. to 9 p.m. calling window there now.
Next step
A 684 number tells you where it was issued, not what it is now.
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Area code 684 questions
- What state or territory is area code 684?
- Area code 684 is in American Samoa, United States. Its largest rate centers by number of prefixes are Am Samoa.
- What time zone is area code 684 in?
- American Samoa Standard Time.
- Does area code 684 have an overlay?
- Not as of NANPA's file dated 10/16/2026. Every number in its area uses 684.
- When did area code 684 start?
- Area code 684 went into service on October 2, 2004.
- Is a 684 number a cell phone or a landline?
- The area code can't tell you. In the US and Canada mobiles, landlines and VoIP lines share area codes and prefixes, and numbers move between carriers and line types. Only a live line-type lookup answers it for one number.
- How many phone numbers does area code 684 have?
- 21 of its 792 possible prefixes are in service, and each prefix holds up to 10,000 numbers. That counts prefixes assigned to carriers, not numbers in use.
Sources
Location, overlays, in-service date and dialling plan: NANPA NPA database, file dated 10/16/2026. Prefixes and rate centers: NANPA central office code assignments, 10/17/2026. Time zones mapped to the IANA time zone database. By the SimpleVerifier Team; how we build these pages.