99.9% reliability claim excludes outages caused by external events and scheduled maintenance.

60-DAY MONEY-BACK GUARANTEE: 60-day money-back guarantee is only for the Internet service monthly fee, Mobile monthly service and Mobile activation fees. Optimum must be contacted within first 60 days of service to receive full refund. Customers without remaining account balance will receive refund to original payment method. Customers with remaining account balances will receive a bill credit. Mobile devices purchases and financing not refundable. 21-day Mobile device return policy applies (subject to $50 restocking fee).

60-DAY INSTALL / ACTIVATION REIMBURSEMENT: Optimum must be contacted within first 60 days of service to receive reimbursement of Internet competitor installation fee (up to $100) and/or Mobile competitor activation charges (up to $25). Customer must provide 1st bill reflecting installation/activation charges with competitor within 60 days of disconnection. Internet customers will be notified via email regarding how to submit new provider bill(s) for reimbursement. Mobile customers, visit Optimum.com FAQ page for details on how to submit new provider bill for reimbursement. Eligible customers will receive a virtual Prepaid Mastercard® with reimbursement amount within approx. 2 weeks of validation. OPTIMUM PREPAID MASTERCARD: Limit 1 per customer, per service. Virtual card is issued by Pathward®, N.A., Member FDIC, pursuant to license by Mastercard International Incorporated. Mastercard and the circles design are registered trademarks of Mastercard International Incorporated. No cash access or recurring payments. Virtual card can be used where Debit Mastercard is accepted online, for phone/mail orders or in stores that accept mobile wallet. Virtual card valid for up to 6 months; unused funds will forfeit after the valid thru date. Terms and conditions apply.

Pricing, offers, and terms subject to change and discontinuance w/o notice. All trademarks and service marks are the property of their respective owner. © 2024 CSC Holdings, LLC.

Optimum Mobile leverages T-Mobile 4G LTE and 5G networks. Savings compromised of 2 lines of Unlimited & Optimum Internet. Savings claim against Verizon based on comparison of 2 lines of service with Optimum Mobile Unlimited Max plan vs Verizon Unlimited Plus plan as of 12/15/23. Savings claim against AT&T based on comparison of 2 lines of service with Optimum Mobile Unlimited plan vs AT&T Unlimited Starter plan as of 7/19/24. $15/mo. per line for 1 GB data, unlimited talk & text. Autopay required. New Optimum Mobile lines only, cannot be applied to existing lines of service. Other monthly charges apply per line, including $20 activation fee, and may include roaming charges, taxes, government fees and other Optimum Mobile fees and surcharges (including USF fee). Other terms and conditions apply; visit www.optimum.com/mobile/plan for plan details.

$15/mo. per line for 1 GB data, unlimited talk & text. Autopay required. New Optimum Mobile lines only, cannot be applied to existing lines of service. Other monthly charges apply per line, including $20 activation fee, and may include roaming charges, taxes, government fees and other Optimum Mobile fees and surcharges (including USF fee). Other terms and conditions apply; visit www.optimum.com/mobile/plan for plan details.

Savings claim against Verizon based on comparison of 2 lines of service with Optimum Mobile Unlimited Max plan vs Verizon Unlimited Plus plan as of 12/15/23. Savings claim against AT&T based on comparison of 2 lines of service with Optimum Mobile Unlimited plan vs AT&T Unlimited Starter plan as of 3/27/24.