Nigeria network such as Glo, MTN, Airtel, Etisalat. Check below for USSD code to load your recharge card on any of the network.
How to Load Recharge Card / Airtime on MTN, Glo, Airtel, Etisalat
To Load Recharge Card On MTN Dial: *555*Recharge Card Pin#
To Load Recharge Card On Glo Dial: *234*Recharge Card Pin#
To Load Recharge Card On Airtel Dail: *126*Recharge Card Pin#
To Load Recharge Card On Etesalat Dial: *222*Recharge Card Pin#
This is the code to load airtime or recharge card on your phone in Nigeria, you would also want to know how to buy airtime right from your bank account easily in Nigeria using the above link. READ Wema Bank Branches in Nigeria: Locations, Contacts and Sort Code
If you are having issue loading your airtime, then you can use the comment box below to state the error you are having if we can help or you call your network provider