E-Mail

• Sales Department: Click here for the sales Department.
• Tech Support Department: Click here for technical support.
• Web Development Department: Click here for web development inquiries.
• Website Marketing Department: Click here for website marketing inquiries.
• Application Scripting Security (Debugging and Security Holes): Click here for application/scripting/coding security inquiries.
• Network Security (Firewalls) Department: Click here for network security inquiries.

Member Resources

• Webmail (with Anti-spam and Anti-Virus service)
• Online Member Account Management
• Feedback
• Support Forums
• Support documents (Coming Soon)

US Mail (Snail Mail)

Optimum ISP
227 Harrison Ave.
Harrison, NJ 07029

Telephone and Fax

Main Office: 973-357-3700
Tech Support: 973-357-3700 ext. 311
Sales: 973-357-3700 ext. 313
Fax: 973-881-9594

Hours of Operation

Tech Support: 10:00 AM - 6:00 PM (Mon - Fri)
Tech Support: 6:00  PM - 10:00 PM (Mon - Sat) * 
Customer Service: 9:00 AM - 6:00 PM (Mon - Fri)