340
Area code
Statusin service
Introduced1997-06-01
JurisdictionVI, US
Local dialing7D
Time zoneAtlantic
Last verified2026-09-17
Utilization 10.2% of assignable prefixes assigned
As of 09/17/2026
0%81 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 2001-08-14, most recent 2023-06-09.
Area codes serve rate-center geographies, not municipal boundaries. “VI” identifies the jurisdiction, not an exact city footprint.
Top assignees
Ranked by assigned prefixes · initial assignee ≠ current carrier| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE | 17 | 21% |
| 02 | LIBERTY MOBILE USVI INC. | 16 | 19.8% |
| 03 | 14 | 17.3% | |
| 04 | MULTIPLE OCN LISTING | 9 | 11.1% |
| 05 | VITELCOM CELLULAR, INC. | 8 | 9.9% |
| 06 | T-MOBILE USA, INC. | 6 | 7.4% |
| 07 | LUMEN TECHNOLGIES ST. CROIX, LLC | 4 | 4.9% |
| 08 | METROPCS, INC. | 2 | 2.5% |
| 09 | WINDKEEPER COMMUNICATIONS, INC. | 1 | 1.2% |
| 10 | TELNYX LLC | 1 | 1.2% |
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- 1997-06-01Area code 340 entered service (created from 809).
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 1997-04-29 | PL-056 ↗ | NANP-Introduction of New 340 (U.S. Virgin Islands) Numbering Plan Area (NPA) |