The 6 industry code for mortgage brokers is 522310.

To find it in TurboTax Online, please see the outlined steps:

1. In the "Choose the Industry Code" page, click the link "guide you".
2. Choose "Services" as the major category, then click Continue.
3. Choose "Finance, Insurance, or real estate" as the sub-category, then click Continue.
4. Scroll down the choices for industry code until you see "Mortgage and Non-Mortgage Loan Brokers - 522310"

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