Abeokuta City Code 90
 Abuja City Code 9
 Badagry City Code 1
 Benin City City Code 52
 Calabar City Code 87
 Edo State City Code 52
 Enugu City Code 42
 Ibadan City Code 2
 Ikoyi City Code 1
 Ile-Ife City Code 36
 Jos City Code 73
 Kaduna City Code 62
 Lagos City Code 1
 Nsukka City Code 42
 Owerri City Code 83
 Port-Harcourt City Code 84
 Zaria City Code 69