Ever wondered how much airtime or data you have left on your phone? Worry no more! In this article, we will show you how to check your airtime and data balance on all major Nigerian networks using SMS and USSD codes. Whether you're on MTN, Glo, Airtel, or 9mobile. These easy methods will help you stay on top of your mobile expenses and ensure you never run out of airtime or data unexpectedly. MTN Airtime and Data Balance via SMS and USSD To Check MTN Airtime via USSD dial *310# To Check MTN Airtime via SMS type 2 and send to 131 To Check MTN Data Balance via USSD dial *323# then select 4 to check data balance To Check MTN Data Balance via SMS type "2" and send to 312 Airtel Airtime and Data Balance via SMS and USSD To Check Airtel Airtime via USSD dial *310# To Check Airtel Data Balance via USSD dial *323# Note: You can't check Airtime and Data Balance via SMS on Airtel. GLO Airtime and Data Balance ...