How It Works
Click "Call Now"
Enter your phone number and verify it with a quick one-time SMS code.
Connect Instantly
Your browser connects you directly to Optimum's customer service line.
Get Help & Optionally Record
Talk to a rep. Opt in to receive a free recording & transcript via email after the call.
Optimum — Better Business Bureau Profile
Phone: (516) 803-2300 • View full BBB profile →
Need to contact Optimum for business-related inquiries? The Optimum business phone number, (888) 276-5255, is your direct line to resolving issues, getting support, and managing your services. Whether you need assistance with billing, technical support, or account management, this number is your primary contact point.
Optimum's customer service is available to help you with a wide range of inquiries. To make your call more efficient, familiarize yourself with the Interactive Voice Response (IVR) system. Listen carefully to the menu options to ensure you're directed to the right department. If you're calling during peak hours, consider using eTollfree's free click-to-call browser dialer to save time and avoid long wait times.
Optimum Customer Service — Common Questions
Need a Toll-Free Number for Your Own Business?
While you're here — if your business could use a professional toll-free number like Optimum's, eTollfree has plans starting at $6.95 / month. Get your own 800, 833, 844, 855, 866, 877, or 888 number with voicemail, auto attendant, call forwarding, and more. No contracts, no setup fees.
Instant activation • All area codes available • No contracts • Cancel any time