This is the summary page of your policy that lists your coverage limits and premiums; the company code is almost always listed here.
In a medical context, a "company ID" can refer to different numbers found on a health insurance card: insurance company id
The most common "company ID" for auto, home, and life insurance is the . This is the summary page of your policy
For tax purposes or when a provider needs to verify a company’s legal identity, they may use the company's . This is a nine-digit number used by the IRS to identify the business entity. How to Locate Your Company's ID insurance company id
You can use the NAIC Consumer Insurance Search Tool to look up a company by name and find its five-digit code.