Calling Puerto Rico from the United States explained:
- 011 - US exit code; have to be dialed first for all international calls made from the US/Canada number plan
- 1 - international country code for Puerto Rico
- US to Puerto Rico international dialing format : 011 + 1 + individual phone number
Information about country:
Puerto Rico, officially the Commonwealth of Puerto Rico, is a self-governing unincorporated territory of the United States located in the northeastern Caribbean, east of the Dominican Republic and west of the Virgin Islands. Puerto Rico is composed of an archipelago that includes the main island of Puerto Rico and a number of smaller islands and keys, the largest of which are Vieques, Culebra, and Mona. The main island of Puerto Rico is the smallest by land area and second smallest by population among the four Greater Antilles, which also include Cuba, Hispaniola, Jamaica.