Go to EPFO website thereafter click the Establishment Search, give the required inputs thereafter once you trace your establishment you will find the Region Code, Office Code, Establishment Code and the Establishment Extension write it down on a piece of paper thereafter click the last column called payment in which you will find the details of the payment made for all the employees, go and click the No. of employees column and you will find the list of all employees of your establishment, trace your name and the Sr. No. will be your employee code