ACCESS BANK

To use the Access mobile instant recharge dial *901*Amount#

DIAMOND BANK

This is only for customers that owns a yellow acct.

Dial *710*555*PhoneNumber*Amount*Pin#
ECOBANK

For ECOBANK, dial *326*Amount#

FIDELITY

Easiest Way To Recharge via fidelity USSD code is to make sure the line you are recharging is linked to your fidelity account. i.e, you can only load directly on the number you’ve registered with your acc.

To recharge, simply dial *770*Amount# for instant recharge. Example: Dial *770*500# for 500 Naira Airtime
FCMB

To recharge your phone via FCMB simply dial *389*214*Amount#

FIRST BANK

The firstbank airtime recharge code is *894*amount#

For example; if you intend to recharge your phone with N100 using the firstbank mobile recharge code, dial *894*100#

GTBank

Make sure you have an account with GTBank with funds inside. The networks to be used should have been registered during registration for the service.

To recharge your phone dial *737*Amount#
To recharge for others/friends dial *737*amount*phone number#
NB: This is subject to maximum of N5,000 per day

HERITAGE BANK

For heritage bank, recharge your phone with this code *322*030*Amount#

STANBIC IBTC

The mobile phone number must be registered or linked to your IBTC bank account.

Dial this code; *909*Amount# to recharge your phone. For example to recharge N100 dial *909*100#
KEYSTON BANK:

For keystone bank use *322*082*Amount#


SKY BANK

Here is sky bank’s top-up code *389*076*1*Amount#

STERLING BANK

The sterling bank recharge code is *822*Amount#.

For example, if you want to recharge N100.. Dial *822*100#

UBA

Here is the recharge code of UBA  *389*033*1*Amount#

UNITY BANK

Here your mobile number must be registered or linked to your Unity bank account.

To recharge, go to your phone and dial *322*215*Amount#
WEMA BANK

Mobile phone number must be registered or linked to your WEMA bank account.

To recharge, dial this code; *322*035*Amount#
For example; if you want to recharge N100 airtime on your phone, dial *322*035*100#. Your mobile phone will be funded instantly.

ZENITH BANK

With zenith you can recharge your phone or the other person’s phone, it doesn’t matter and the maximum payable amount is 3k.

To recharge simply dial *966*Amount# or *302*Amount# (for mtn users)

http://www.naijaict.com/2016/03/recharge-card-codes-for-nigerian-banks.html