Global Dial Code
Exit Country Code + 290 + The Number
The St. Helena country code is 290. The nationality of St. Helena is St. Helenians.The capital of St. Helena is JamestownLargest Cities in St. Helena by population: Half Tree Hollow, Longwood, Jamestown, Georgetown, Levelwood, Edinburgh of the Seven Seas. Local Telephone Prefix: No trunk codes in St. Helena, just dial direct when calling domestic.