New and current Sprint mobile customers can reach customer service by calling 866-866-7509 as of 2015. Customers trying to reach Sprint to discuss landlines can contact the company by calling 800-366-2255.
Sprint Business customers can call 800-927-2199 to inquire about their accounts and to speak to someone dealing with converged wireline accounts, call 866-653-1056. Sprint customers needing international support can contact the company by calling 888-226-7212 and Sprint Prepaid customers can contact their customer support at 855-639-4644.
Sprint also offers other ways to contact the company. Sprint offers its existing and prospective customers online chat and email contact for those who don't want to talk to a person.