Contact
Main Office Address
We would love to speak with you about your workers’ compensation insurance needs. Please reach out to learn how 3CU can help you find a solution that works for you and your business.
Third Coast Underwriters
P.O. Box 40790
Lansing, MI 48901-7990
Toll-free: 866-641-23CU (2328)
Media Contact
Marissa Sura
517-896-3707
[email protected]
Agency Relations
Licensing and appointment requests, address changes, or mergers, etc.
Medical Bill Electronic Clearinghouse
Data Dimensions Address
Data Dimensions
PO Box 1207
Janesville, WI 53547
Data Dimensions Customer Service Contact Info
Marisa Nappi, Customer Service
631-648-6008 X1303
Data Dimensions Payer Numbers
Accident Fund – 10166
3CU – LS636
United Heartland – WB471
CompWest – WX214
Assigned Risk Solutions – LS721
Password Reset for AF Group Teammates
AF Group teammates who need to reset their password can use this link for self-service.
Important!
If you suspect an injury might be fraudulent, call Third Coast Underwriters’ Fraud Hotline at 800-944-3728.
