Checking your GP minute balance has never been easier thanks to the USSD code feature provided by Grameenphone. To check your minute balance using this method, follow these simple steps: Dial *566# from your GP SIM card. Wait for a few seconds while the system retrieves and displays your remaining minutes. Using the USSD code method offers several benefits, including convenience and instant access to information about your remaining minutes without needing an internet connection or any additional apps