There are two main ways to contact Allstate Insurance to make a claim: by giving the claims centre a call or by filing a claim online. To do the latter, simply login to your myAllstate account online. Here are the phone numbers for Allstate’s car insurance claims line:    Alberta, British Columbia, Manitoba, Saskatchewan 1-800-661-1577   Ontario 1-800-387-0462   Quebec 1-800-463-2813   Nova Scotia, New Brunswick, Prince Edward Island, Newfoundland 1-800-561-7222   From the U.S. 1-800-387-0462   Hours of availability: 24-hours a day, seven days a week, all year round.