The international dialing code for Oman is 968. As a general rule, calls from and to Oman work exactly as any other place in the world.
The Oman country code 968 will allow you to call Oman from any country abroad. The international country code is followed by an area code for different cities in Oman. The price for local calls within Oman is the same when calling from one city to another. Calls between Buraimi and Al Ain, United Arab Emirates are also considered local calls.
Oman city codes:
A Dakhliyah +968 25
Al Batinah +968 26
Dhofar +968 23
Muscat +968 24
Oman mobile codes:
Oman Mobile - 92
Nawras - 95