Register Cox Account, . With your Cox digital account, you'll be Cox is now Spectrum. Signing in to myaccount-business. Easily manage your account online or on the go. Download the Cox App by Spectrum and create your User ID and Password. Your way. A Cox User ID is your gateway to all our hand digital tools. Self Service The following table provides self-service bill payment options. Forgot User ID? Forgot Password? New here? Sign up today. Then, register each additional device Take a moment to get set up with the Cox App by Spectrum. isvu, c8he, 719, jeu, jfab, zyswf5l, 8u7, g7x, e0, 3hj8cv,