To use the transfer code for Access Bank, you need to activate it first. Here are the steps to activate the transfer code:

1. Dial *901# on your mobile phone.
2. Select "Transfer" from the list of options.
3. Select "Account" and enter your Access Bank account number.
4. Create a 4-digit PIN.

Once you have activated the transfer code, you can use it to transfer money from your Access Bank account to other banks in Nigeria. Here are the steps to transfer money using the transfer code:

1. Dial 901AMOUNTNUBAN Account Number# (e.g 90110001234512345#) from your phone.
2. Authenticate using a four (4) digit security code. You can create a security code using the Menu option.

It is important to note that there is a daily transfer limit of N100,000 (N20,000 per transaction) . Additionally, there is a charge of ₦6.98K by your network provider for all financial transactions carried out on all USSD platforms in Nigeria, including the *901# platform. However, airtime and data purchases are exempted from this charge.