Yes, you can dispute a charge on your Washington Mutual credit card. Washington Mutual Card Services provides processes for customers to address unauthorized transactions, billing errors, or fraudulent charges. To start a dispute, you will typically need to gather relevant documentation, such as transaction receipts or statements that support your claim. Following this, it is important to check the current web page for specific instructions on how to formally initiate the dispute process, as it may vary based on the nature of the charge. Generally, there is a time limit within which disputes must be filed, so acting promptly is essential. If you require further assistance or specific details about your account, visiting the current web page for contact information is advisable.