An EI Access Code is a four-digit code issued by the Employment Insurance Commission. It enables you to access online services such as the My Service Canada Account and the EI Internet Reporting Service. You can only receive an EI Access Code after having applied for EI benefits. A CPP/OAS Personal Access Code is a seven character code issued for the Canada Pension Plan and Old Age Security by Service Canada. It is used to validate your identity and enables you to login My Service Canada Account. Please Note: In order to access My Service Canada Account you will need to create a Government of Canada epass username and password and first time users are required to validate their identity using a CPP/OAS Personal Access Code or an EI Access Code.