Calling Reunion Island from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 262 - Country Code for Reunion Island
• Phone Number (may not begin with 0) - 9 digits
• US to Reunion Island international dialing format: 011 262 ??? ??? ???

How to dial to Reunion Island cellular:

• dialing format for calls to a cell phone: 011 262 692 ??? ??? (or 693 ??? ???)

Phone Books:

• Pages Jaunes and Pages Blanches - official Yellow and White Pages respectively, in French (Reunion Island is an overseas territory of France)