It depends on which city or town in Osun you are calling.
The area of Osun State is 9,251 square kilometers.
The area of Ogun State, Nigeria, is 16,762 square kilometers.
Area codes in Nigeria are by town, not by state.Aba, Abia, Nigeria, is in telephone area code +234 82Umuahia, Abia, Nigeria, is in telephone area code +234 88(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
Oshodi is not a city in Nigeria. Oshodi is an area in Lagos State of Nigeria. you can view more area of Lagos State, just check the link.
Telephone area codes in Nigeria do not strictly follow state lines.The area code for Port Harcourt, Rivers, Nigeria, is 084, or +234 84 in international format.The area code for Aba, Abia State, Nigeria, is 082 (or +234 82); it probably includes part of Rivers State.The area code for Yenagoa, Bayelsa State, Nigeria, is 089 (or +234 89).(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)84
23480 is a Nigerian mobile telephone.
You can get a state-by-state listing of telephone area codes in India at the link below.
100005 is the post code for the Agege area located in Lagos, Nigeria. Lagos is the largest city in Nigeria.
Nigeria is a country in North West Africa, its capital is Abuja. Nigeria has the largest population in Africa, over 250 million people.There are over 200 tribal and cultural groups represented in Nigeria.
Nigeria is country code +234, and Auchi is city code 57.
The area of Dutsin-Ma is 527 square kilometers.
The area of Enugu North is 106 square kilometers.