DIFFERENT BANKS USSD Codes TO TOP-UP MOBILE NUMBER FROM ACCOUNT BALANCE

This is not new to some people, while some didn't know how to go about this.
This article will explain and alight all necessary steps/guides needed  to top-up your mobile phone with airtime from your bank account.

Nigeria Banks Chip-in/announced the use of "USSD codes" to enable their customers to top-up (or recharge) their phones with airtime from their bank accounts balance with very and easy ways.
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For instance, you may be stranded or not having enough cash at hand to buy airtime or call card, or it may be late hours to go out of your Crib to Shops/Super Markets around to get Call card or you find it stressful walk to any nearby ATM Machine to recharge and as well you may want to send Recharge Cards to someone while its late. Or you really need to top-up in order to use your phone perhaps to make phone calls, send a text message, subscribe a data plan, etc.
Which ever one your need is, Just sit back and release to get the full gist on how you could solve all your call card/Recharge cards need.
Therefore, below is a list of banks in Nigeria and their USSD codes the customers can use to top-up their  mobile phones from their banks accounts balance.

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list of banks in Nigeria and their USSD codes to top-up your Mobile lines

1. Access Bank Customers dial: *901*amount#
2. Eco Bank Customers dial: *326*amount#
3. Fidelity Bank Customers dial: *770*amount#
4. First City Monument Bank (FCMB) Customers dial: *389*214*amount#
5. First Bank Customers dial: *894*amount#
6. GTB Customers dial: *737*amount#
7. Heritage Bank Customers dial: *322*030*amount#
8. keystone Customers dial: *322*082*amount#
9. Sky Bank Customers dial: *389*076*1*amount#
10. IBTC Customers dial: *909*amount#
11. Sterling Bank Customers dial: *822*amount#
12. UBA Customers dial : *389*033*1*amount#
13. Unity Bank Customers dial: *322*215*amount#
14. Zenith Bank Customers dial: *966*amount# or *302*amount# (for mtn users)
15. Diamond Bank (Y'ello account only) Customers dial: *710*555*phone no*amount*pin#

Note: Some of the Banks above didn't allow their Customers to to-up third party mobile phone numbers and the bank ONLY allow Customers to top-up ONLY the phone number(s) associated or (linked) to their bank account. Any attempt to top-up any other phone number will fail and not successful.