Ideally, you would not need to search for “how to find your PF account number.”
Usually, the employer takes care of registering a new employee with a PF number, allotting a number, and making monthly contributions. Therefore, the employer must inform the employee about his/her PF number.
If this does not happen at the time of onboarding, it is the employee's responsibility to ask for the number. Especially if you are switching jobs, you will need to know where to find the PF account number!
Your next employer will require the number to find your UAN and assign you with a new PF.
Check on your salary slip
The answer to "how to know my PF number" could be as simple as checking your salary slip. Employers generally print the PF number, and the contribution they made to it in your monthly salary slip.
Consult the HR department
If you are still wondering how to find your PF number, the next stop should be the HR department. At the time of onboarding, this department is responsible for assigning a PF number to every employee. Hence, they should be able to help you find an answer to "how to know your PF account number."
Check PF number from UAN number
The third way to resolve the query regarding how to find and know your EPF number would be to check and see if you have your UAN. You can easily find your PF number with your UAN.
Thus, you can visit the official website and log in using UAN and password.
[Source]
Contact or visit the PF office
How to get your PF number when all the other three options fail? As a last resort, you can head over to the PF office. You will need to provide all your personal documents and ID proofs to gain the PF number.