Phone List

To order Optimum residential services, use the number listed for your region or place your order online.

Our regional telephone sales lines are open:
Monday - Friday, 7 a.m. - 11 p.m.
Saturday, 7 a.m. - 10 p.m.
Sunday, 7 a.m. - 10 p.m.

Many common issues with cable service can be fixed immediately by performing a few simple troubleshooting steps. Browse our Customer Service section and quickly find the answers to common questions about Optimum's products and services before you call for assistance. If you do need to call, customer service technical support is provided 24 hours a day. All other support is available from 8 a.m. to 8 p.m. on regular business days. Your current billing information and other support features are available on the Optimum Support App and TV channel 900.