| General Information about Area Code 340 | |
|---|---|
| Country | United States |
| State / Province / Territory | Virgin Islands |
| Major City | Charlotte Amalie |
| Time Zone | Atlantic (UTC-04:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 340-778 | St Thomas | Saint Thomas | Landline |
| 340-332 | Christiansted | Saint Croix | Wireless |
| 340-692 | Kingshill | Saint Croix | Landline |
| 340-715 | St Thomas | Saint Thomas | Landline |
| 340-773 | Kingshill | Saint Croix | Landline |
| 340-713 | Christiansted | Saint Croix | Landline |
| 340-770 | St Thomas | Saint Thomas | Landline |
| 340-727 | St Thomas | Saint Thomas | Landline |
| 340-690 | St Thomas | Saint Thomas | Landline |
| 340-642 | St Thomas | Saint Thomas | Wireless |
| 340-344 | St Thomas | Saint Thomas | Wireless |
| 340-719 | Kingshill | Saint Croix | Landline |
| 340-513 | St Thomas | Saint Thomas | Wireless |
| 340-693 | St Thomas | Saint Thomas | Landline |
| 340-473 | St Thomas | Saint Thomas | Landline |
| 340-718 | Christiansted | Saint Croix | Landline |
| 340-775 | St Thomas | Saint Thomas | Landline |
| 340-777 | St Thomas | Saint Thomas | Landline |
| 340-444 | St Thomas | Saint Thomas | Wireless |
| 340-772 | Kingshill | Saint Croix | Landline |