Calling Vanuatu from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 678 - Country Code for Vanuatu
• Phone Number - 5 digits for landlines and 7 digits for VoIP/cell phones
• US to Vanuatu landlines international dialing format: 011 678 ?????

How to dial to Vanuatu cellular:

• dialing format for calls to a cell phone: 011 678 5? ????? (or 7? ?????)

Phone Books:

• TVL phone book - by Telecom Vanuatu
• Yellow Pages Vanuatu