What would you say is the best way for me to call Belgium?

Hi Martin - In this case, we would recommend a dial around company.  Please visit the following link for dial-around providers with great rates to Belgium.  This page will not only provide you with the rates, it will also provide you with details, and how the dial-around services work.  The companies listed on this page will also allow for you to use the access number to call Belgium from your cellular phone or home phone.