Where can I find my CustomerID and CompanyID
Product
Messaging
Voice
Mobile Marketing Cloud
Mobile Service Cloud
Conversational AI Cloud
Sign & Identity
Ticketing
Appmiral
- Online Payments
Electronic Cash Register
- Platform
Resolution
Your CM CustomerID or CompanyID is your unique customer-number and consists of 6 digits.
You can find your ID in the CM Platform. Login and click on your name in the upper right corner. Choose settings. 
Below your company name in the section 'organization-general' you find your 6-numberID.
Also your ID can be found on all invoices you might receive from CM.
Keywords: CRM, CRM ID