Access Bank
*901#
Diamond Bank
*701#
FCMB
*389*214#
FIDELITY BANK
*770#
FIRST BANK
*894#
GTB
*737#
HERITAGE BANK
*322*030#
KEYSTONE BANK
*322*082#
SKYE BANK
*833#
ZENITH BANK
*966#
UBA
*919#
UNITY BANK
*389*215#
UNION BANK
*389*038#
STERLING BANK
*822#