What is the toll free number for travelers insurance? Travelers Casualty Insurance Company of America toll free customer service number : 860-277-0111, Fax: 860-277-7002. Travelers Flood Insurance toll free customer service number : 1-866-601-4330, 866-336-2077, 800-842-5075, 877-75. Travelers Auto Insurance toll free customer service number : na.What is the contact number for travelers insurance? Travelers Insurance Customer Service Number. Pay attention to what phone numbers are used for what purpose. To get a Travelers Insurance quote, call 1-866-596-5311. For Travelers Insurance billing and policy service questions, call 1-800-842-5075. To report a Travelers Insurance claim, call 1-800-252-4633.What is the phone number for travelers? Customer Service: 1-866-336-2077. Billing: 1-800-842-5075. Trouble Accessing Online Accounts: 1-877-754-0481. Request a Declarations Page: 1-800-842-5075. Travelers Claim Department: 1-800-238-6225. Report a Claim: 1-800-252-4633. Quote for Insurance: 1-888-695-4625.