What to do if You've lost your Teacher Registration Number ( TRN )

Find a lost teacher reference number (TRN)

Use this service to:

• find your teacher reference number (TRN) if you do not know it or have forgotten it
• check if you have a TRN

Before you start

Have your National Insurance number ready, as we’ll ask for this.

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Other ways to find your TRN

Your TRN may be shown on a:

• payslip
• teacher pension statement
• teacher training records

The TRN has previously been known as a QTS, GTC, DfE, DfES and DCSF number.

Find a lost TRN by phone

Call the Teaching Regulation Agency, and have your National Insurance number ready:

• Telephone: [phone]
• Lines are open Monday to Thursday, 9am to 5pm, and on Friday from 9am to 4:30pm (except public holidays)