Calling Andorra from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 376 - Country Code for Andorra
• Phone Number - 6 digits
• US to Andorra international dialing format: 011 376 ?? ?? ??

How to dial to Andorra cellular:

• dialing format for calls to a cell phone: 011 376 ?? ?? ?? (first digit of a cell number can be 3, 4, or 6)

Phone Books:

• Andorra Telecom - official directory listing individuals and companies