Since you have given your KYC details, you may not be able to create another UAN. However, you can get your UAN from the EPFO website. Here are the steps for getting your Universal Account Number.
Go to EPFO website http://epfindia.com
Go to "our services"
Select the option "For Employees" from the drop down list
New Page will be displayed
On this page choose go to services
Now select the option "Member UAN/Online services (OCS/OPCP)"
Click that OCS/OPCP option
The Member Home page will be displayed
On the right side, go to "important link"
You have to click on the "Know your UAN status" option
A form will be displayed
Provide your Member ID with city and state or Aadhar or PAN details
Enter name, date of birth, mobile number, email id
Enter the captcha provided
Click on "get authorization pin"
Tick "I Agree" button below the disclaimer box
Enter the OTP you will receive on your registered mobile number
Now click on "validate OTP and get UAN"
You will see "your UAN and UAN status has been sent to your registered mobile number"
You will receive your UAN on your mobile number
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