The glo airtime recharge code is *123*pin#
pin is the 15-digits pin number on the recharge card or voucher you purchased from a recharge card seller.
So, whenever you want to load glo card on your phone, just dial the code above on your phone. Thereafter, you will see a flash message informing you if the airtime recharge is successful or not.
You can as well check your glo credit balance using the code : #124#
Kindly note that this code only works for glo prepaid lines.
If you’re using a glo postpaid line, you might have to visit a nearby glo office.