Calling Kiribati from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 686 - Country Code for Kiribati
• Phone Number - 5 digits
• US to Kiribati international dialing format: 011 686 ?? ???

How to dial to Kiribati cellular:

• dialing format for calls to a cell phone: 011 686 9? ??? (or 30 ???)

Landlines in main urban areas:

• Bairiki: 21??? to 24???
• Betio: 25??? to 26???
• Bikenibeu: 28??? to 29???
• Kiritimati: 81??? to 82???
• Marakei: 34???
• Nikunau: 47???
• Tarawa: 21??? to 32???