What is a product number or service number

[mesquitebean]

What do you mean by "number?"   What are you looking at?

You have another thread at this link where you mention a Schedule C, and you ask almost the same thing but without the word "number."

https://ttlc.intuit.com/questions/4753419-on-schedule-c-what-is-product-or-service

Or are you asking about the 6-digit principal business activity code to enter on a Schedule C?

[PrettyPercy2]

What is a service code and how is it used