How to check glo, mtn, etisalat and airtel networks balance

How to check MTN account
balance
To check your account balance
for MTN network, just dial *556#
and press the send button on
your phone.
How to check GLO account
balance
To check your account balance
for GLO network, just dial #124#
and press the send button on
your phone.
How to check Airtel account
balance
To check your account balance
for Airtel network, just dial
*123# and press the send
button on your phone.
How to check Etisalat account
balance
To check your account balance
for Etisalat network, just dial
*232# and press the send
button on your phone.