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Contact Us: Hours of Operation Days
Sales: 855-233-3333 8 a.m. - 7 p.m.
9 a.m. - 5 p.m.
Monday - Friday
Saturday
Customer Service: 855-728-2455 24 hours 7 days a week
Installation & Pending Surveys: 855-233-3333 8 a.m. - 7 p.m. Monday - Friday
Technical Support: 855-728-2455
Optimum Online, Optimum Voice and Optimum TV for Business
24 hours 7 days a week
Chat online with a Support Representative 24 hours 7 days a week
Email the Support Team
We will respond to your email inquiry within 30 minutes.
24 hours 7 days a week

OPTIMUM BUSINESS
USER GUIDE

Optimum Business Reference
Guide (PDF 9.5MB)

OPTIMUM BUSINESS
SERVICE COMMITMENT

Learn more about the Optimum Business Service Commitment, provided to all Optimum Business customers.

ALREADY A BUSINESS TRUNKING CUSTOMER?

To get started, read the Business Trunk Setup Guides, then select the guide for your phone from the list below

Special offer details | Optimum Voice details | Optimum Online details