To faciltiate users, the United States of America is divided into regions known as Area Codes, corresponding to particular geographic telephone dialing areas.
An area code denotes the regional location of a phone number within the United States.
The Area Code table below shows an area codes each.
Area Code 340 listing, by city
@The cities listed with each area code are the major cities for that area code;
| City / State | Area code | Zip Code | County | Iso | |
|---|---|---|---|---|---|
| Christiansted (Virgin Islands) | 340 | 820 | Saint Croix | US-VI | |
| Christiansted (Virgin Islands) | 340 | 821 | Saint Croix | US-VI | |
| Christiansted (Virgin Islands) | 340 | 822 | Saint Croix | US-VI | |
| Christiansted (Virgin Islands) | 340 | 823 | Saint Croix | US-VI | |
| Christiansted (Virgin Islands) | 340 | 824 | Saint Croix | US-VI | |
| Frederiksted (Virgin Islands) | 340 | 840 | Saint Croix | US-VI | |
| Frederiksted (Virgin Islands) | 340 | 841 | Saint Croix | US-VI | |
| Kingshill (Virgin Islands) | 340 | 850 | Saint Croix | US-VI | |
| Kingshill (Virgin Islands) | 340 | 851 | Saint Croix | US-VI | |
| Saint John (Virgin Islands) | 340 | 830 | Saint John | US-VI | |
| Saint John (Virgin Islands) | 340 | 831 | Saint John | US-VI | |
| Saint Thomas (Virgin Islands) | 340 | 801 | Saint Thomas | US-VI | |
| Saint Thomas (Virgin Islands) | 340 | 802 | Saint Thomas | US-VI | |
| Saint Thomas (Virgin Islands) | 340 | 803 | Saint Thomas | US-VI | |
| Saint Thomas (Virgin Islands) | 340 | 804 | Saint Thomas | US-VI | |
| Saint Thomas (Virgin Islands) | 340 | 805 | Saint Thomas | US-VI |