How to call Puerto Rico from the USA or from Canada:

Calling Puerto Rico from the United States explained:

• 1 - Country Code for Puerto Rico
• 787/939 - area codes within the NANP
• local phone number - 7 digits
• US to Puerto Rico international dialing format: 1 787 (939) ??? ????
• this US territory is part of the North American Numbering Plan - NANP (calling it works like a US state to state call)

Phone Books:

• White Pages Puerto Rico
• Paginas Amarillas - Yellow Pages, in Spanish