You can transfer your eligible mobile or landline phone number to Optimum Mobile from a previous carrier anytime. We recommend starting your number transfer as early as possible so your phone number is ready to use when you activate it. For any questions on your number transfer,contact an Optimum Mobile expert.

Keep an eye out for email instructions on how to activate service via MyMobile.

Get more ways to save with multi-line savings. Pay even less per line if you have two or more lines on any Unlimited plan. Upgrade services or add additional lines at any time. Learn more here.

Trade in your old device and see what extra monthly savings you can unlock.

Find answers to any other questions about promotions, payment, international service, and more on our Support Page in English or Spanish.