What is the telephone number for nationwide? The customer support phone number of Nationwide Life Insurance is 1-877-669-6877, 1-866-207-9160 (Click phone number to call). The postal and official address, email address and phone number (helpline) of Nationwide Life Insurance Service Center and Nationwide Life Insurance customer service phone number is given below.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 a nationwide private client? Nationwide Private Client is a new and unique program launched in Colorado in 2015. There are only a few handfuls of Insurance Agents/Brokers that have access to it. So this is a big deal if you are learning about it now. This is a ground floor opportunity to get the proper coverage for the affluent market.What is nationwide call? Nationwide calling and long-distance calling aren't that different. Nationwide calling plans by telephone service providers often give you the same rate for calling locally as for calling from your state to another state. Long-distance calling is any phone call that is outside of your telephone area code.