The EIN is different than the business code (999999).
You don't enter the Avon Employer Identification Number if you are setting up your business in TurboTax. You are an Independent Contractor and unless you applied for an EIN with the IRS, use your Social Security Number.
The 999999 code is your business code. For Avon sales, it may be 454390 - Other direct selling establishments.
On the Does your XXXX work have an official name? screen, answer No. If you sell Avon, you generally use your name and address as your business name and address. Avon is the brand you sell. You are not the Avon company.
Here is an answer that may help you prepare your Avon Schedule C. Click on How is Avon income looked at if a 1099 isn't sent out?