Calling Cook Islands from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 682 - Country Code for Cook Islands
• Phone Number - 5 digits
• US to Cook Islands international dialing format: 011 682 ?? ???

How to dial to Cook Islands cellular:

• dialing format for calls to a cell phone: 011 682 5? ??? (or 7? ???)

Landline phone numbers by island:

• Aitutaki - 31 ???
• Atiu - 33 ???
• Mangaia - 34 ???
• Manihiki - 43 ???
• Mauke - 35 ???
• Mitiaro - 36 ???
• Nassau - 45 ???
• Palmerston - 37 ???
• Pukapuka - 41 ???
• Penrhyn - 42 ???
• Rakahanga - 44 ???
• Rarotonga - 2 ????

Phone Books:

• White Pages
• Yellow Pages