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 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 Oku District- Okayama, Japan is 81, (0)8692.
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 area of Okayama is 789.88 square kilometers.
The country code and area code of Daito- Osaka, Japan is 81, (0)72.
The country code and area code of Aichi, Japan is 81, (0)52.
The country code and area code of Gifu, Japan is 81, (0)58.