Optimum Login, Payment, Customer Service (including former Suddenlink)

Updated September 18, 2023 – If you are an Optimum customer (including former Suddenlink customers), below you will find the key information you need to make payments, access your account online, and reach customer service for further assistance.

Online Account Access

Customer Service – Help & Pay By Phone

  • The Optimum customer service phone number for payments is 1-866-213-7456. The customer service number for other questions is 877-694-9474.

Payment Address

P.O. Box 70340
Philadelphia, PA, 19176-0340

In Person Payments