US Area Code
340
U.S. Virgin Islands · U.S. Virgin Islands
Area code 340 serves St. Thomas, St. Croix, St. John and surrounding areas in U.S. Virgin Islands. Look up any 340 number below to check for spam, see caller ID, carrier, and line type.
Area Code Details
- State / Territory
- U.S. Virgin Islands
- Region
- U.S. Virgin Islands
- Major Cities
- St. Thomas, St. Croix, St. John
- Timezone
- Alaska Time
- Country
- United States
- Format
- +1 (340) XXX-XXXX