: Dial *130*362*3*Your1VoucherPIN# to convert a generic 1Voucher into MTN airtime or data.
: Dial *311*16/17-digit PIN# to load the credit directly to your line. Mtn Airtime Vouchers
: These can be purchased via online platforms like the Carry1st Shop or banking apps; the code is typically sent via SMS or email for immediate redemption. Mtn Airtime Vouchers