Calling the US Virgin Islands from the United States explained:
- 1 - Country Code for the US Virgin Islands
- 340 - area code within the NANP
- local phone number - 7 digits
- US to the US Virgin Islands international dialing format: 1 + 340 + ??? ????
- this US territory is part of the North American Numbering Plan - NANP (calling it works like a US state to state call)
- VIPhoneBook.com - USVI White and Yellow Pages