Yes, customers can upgrade their service plan with Granite Telecommunications. Upgrading typically involves selecting a plan that better fits your needs, which might include increased features, higher speeds, or additional services. The process generally includes reviewing the various plans available, determining the desired upgrades, and then making the necessary changes. This can often be done through your account management portal or via customer service if needed. Customers are encouraged to review the details of the available plans to ensure the upgrade aligns with their specific requirements. For detailed information about the plans and how to upgrade, it is best to look on the current Granite Telecommunications web page, which often includes the latest offerings and contact information if needed.