684
Area code
AS
United States geographic area code, in service since 2004-10-02.
Statusin service
Introduced2004-10-02
JurisdictionAS, US
Local dialing7D
Time zoneU / T / Central
Last verified2026-09-17
Utilization 5.2% of assignable prefixes assigned
As of 09/17/2026
0%41 of ~792 assignable NXX values (200–999 excl. N11)100%
Prefix-level assignment does not equal number-level exhaustion; thousands-block pooling extends capacity. First assignment on record 2007-02-16, most recent 2022-11-29.
Area codes serve rate-center geographies, not municipal boundaries. “AS” identifies the jurisdiction, not an exact city footprint.
Top assignees
Ranked by assigned prefixes · initial assignee ≠ current carrier| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | MULTIPLE OCN LISTING | 17 | 41.5% |
| 02 | AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY | 13 | 31.7% |
| 03 | AST TELECOM, LLC | 9 | 22% |
| 04 | 2 | 4.9% |
Important: these are initial assignees from NANPA CO-code records — the carrier a prefix was originally assigned to. Because of number portability, the current serving carrier of any individual number may differ.
Change history
Recorded events for this NPA- 2003-03-24 Introduction of NPA 684 (American Samoa) other
- 2004-10-02Area code 684 entered service.
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2003-03-24 | PL-330 ↗ | Introduction of NPA 684 (American Samoa) |