Optimum Randolph683 Route 10 East Randolph, NJ 07869 USMain Number(888) 467-8468(888) 467-8468 9:00 AM - 6:00 PM 9:00 AM - 6:00 PM 9:00 AM - 6:00 PM 9:00 AM - 6:00 PM 9:00 AM - 6:00 PM 9:00 AM - 6:00 PM 12:00 PM - 5:00 PMVisit SiteDirections