Giffgaff is a mobile telephone network running as a Mobile Virtual Network Operator (MVNO) using O2's British network. Giffgaff offers wide range of mobile services that are aimed to entertain varying consumer needs. Moreover, Giffgaff promises of quality customer service assistance to address consumer grievances. The customer service number for giffgaff can be found on its authorised dashboard, or giffgaff customers can receive the giffgaff customer service number by sending via SMS by sending 'Number" to 43430. giffgaff Customer Service Support:complaints@giffgaff.com | contactus@giffgaff.com Accessibility: accessibility@giffgaff.com For Free Credit Report: freecreditreport@giffgaff.com Customers of giffgaff may also refer to given officials' email addresses to avail assistance with regard to general concerns and queries. jane.doe@giffgaff.com john.smith@giffgaff.com johns@giffgaff.com Giffgaff Self-help Links Customers can refer to given web-lin