How Does 21st Century Auto Insurance Rate? 
21st Century auto insurance is very popular in many states . Although their rates are typically , not the lowest in that particular area , they are a reputable company . Some of the major car insurance companies other than 21st Century are Progressive , Geico , State Farm , Allstate Esurance , Nationwide , Liberty Mutual and Travelers . An experienced broker or a reputable national website can offer you multiple free quotes from top-rated companies and allow you to apply online , in most situations . 