Phone Number of Optimum New Jersey is +1 201-867-5550 / 1-800-291-8564 / 1.866.209.1099 . Optimum is a store in New Jersey which is also known as Cablevision Optimum Store. The Optimum Store provides different types of services like digital cable TV, Optimum Voice, home phone service, Optimum Television, Optimum Online etc.