Knowing how to check your balance on your O2 contract is important for managing your finances and avoiding unexpected charges. There are a few different ways to check your balance, and the method you choose will depend on your preferences and the type of device you have.
One way to check your balance is to call O2’s customer service number. You can reach a customer service representative by dialing 202 from your O2 phone, or by calling 0344 809 0202 from any other phone. Once you’re connected with a customer service representative, they can help you check your balance and answer any other questions you may have.