Calling Papua New Guinea from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 675 - Country Code for Papua New Guinea
• Phone Number - 7 digits for landlines/VoIP and 8 digits for mobile phones
• US to Papua New Guinea landlines international dialing format: 011 675 ??? ????

How to dial to Papua New Guinea cellular:

• dialing format for calls to a cell phone: 011 675 7??? ????

First digit for landlines in main cities/regions:

• Port Moresby: 3
• Goroka: 53
• Manus: 97
• Mt. Hagen: 54

Phone Books:

• White & Yellow Pages by PNG Telikom