What is the phone number for nationwide insurance? The customer support phone number of NationWide Insurance is 1-800-882-2822 (Click phone number to call).What is the corporate address for nationwide insurance? The address of Nationwide Insurance Contact is One Nationwide Plaza, Columbus, Ohio 43215-2220, United States.What is nationwide insurance mission statement? Mission Statement of Nationwide. We offer a full range of insurance products and financial services for your home, car, family and financial security. We support persity and inclusion. Our workforce and business practices reflect this.Our associates have a variety of skills, experiences and backgrounds much like our customers.