Area Code 340 at a Glance
| Area code | 340 |
| Region | U.S. Virgin Islands |
| Country | U.S. Virgin Islands |
| Primary timezone | America/St_Thomas |
| Dialing format | +1 (340) NXX-XXXX |
Cities and Places Using Area Code 340
Based on prefix-level carrier data, area code 340 covers places including:
- Chtamstths, VI
- St. Croix, VI
Frequently Asked Questions
Where is area code 340?
Area code 340 serves U.S. Virgin Islands, U.S. Virgin Islands.
Who is calling me from area code 340?
A call from area code 340 most likely originates from U.S. Virgin Islands, but caller ID can be spoofed. If an unknown caller asks for personal or payment information, hang up and call the organization back on its official number.
How do I dial a 340 number?
Within North America: dial 1-340 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 340 and the number.