The country code and area code of Aida District- Okayama, Japan is 81, (0)8687.
The country code and area code of Akaiwa District- Okayama, Japan is 81, (0)8695.
The country code and area code of Katsuta District- Okayama, Japan is 81, (0)868.
The country code and area code of Atetsu District- Okayama, Japan is 81, (0)867.
The country code and area code of Asakuchi District- Okayama, Japan is 81, (0)865.
The country code and area code of Bizen- Okayama, Japan is 81, (0)869.
The country code and area code of Ibara- Okayama, Japan is 81, (0)866.
The country code and area code of Tamano- Okayama, Japan is 81, (0)863.
The country code and area code of Minamiakita District- Akita, Japan is 81, (0)185.
The country code and area code of Nagaoka District- Kochi, Japan is 81, (0)887.
The country code and area code of Hikawa District- Shimane, Japan is 81, (0)853.
The country code and area code of Ashikita District- Kumamoto, Japan is 81, (0)966.