Calling Oman from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 968 - Country Code for Oman
• Phone Number - 8 digits, landlines' initial digit is always 2
• US to Oman international dialing format: 011 968 ???? ????

How to dial to Oman cellular:

• dialing format for calls to a cell phone: 011 968 9??? ???? (or 7??? ????)

Phone Books:

• Oman White and Yellow Pages by Omantel