Optimum is based at One Court Square in Long Island City, Queens, New York City. The company's operational center is located at Cablevision 's former headquarters in Bethpage, New York, on Long Island. Optimum Communications, Inc. (NYSE: OPTU) is one of the largest broadband communications providers in the United States, delivering high-speed internet, video, mobile, and voice services to approximately 4.4 million residential and business customers across 21 states. Optimum is headquartered in New York and has 3 office locations. Employees engage in a combination of remote and on-site work. Learn more about Optimum’s offices. Research location information and workplace policy. Headquartered at 1 Court Square West in Long Island City, Queens, New York City, Optimum is the successor brand to Altice USA — which itself was built from the 2016 acquisition of Cablevision by French-Israeli telecom conglomerate Altice N.V. About Our Story Leadership Brands Our Brands Optimum News 12 Optimum Media Product Highlights Impact Culture Commitment to our Community Sustainability Newsroom Latest News Awards & Highlights Careers Investors News & Events Financial Results SEC Filings Shareholder Information Investor FAQ Debtholder Information Governance Company Info Terms. Optimum located at 1101 Stewart Ave, Bethpage, NY 11714 - reviews, ratings, hours, phone number, directions, and more. Optimum Headquarters & Corporate Office Address Optimum Communications, Inc. operates its corporate headquarters at 1 Court Square West in Long Island City, Queens, New York — a modern glass office tower situated at the intersection of Queens Boulevard and 44th Drive, directly across from Citigroup Center and steps from the Queensboro Plaza. Visit our Support Center or call us at 1-866-200-7273. For employment verification or HR-related questions, contact hrservicecenter@optimum.com. For press and media requests, please contact: press@optimum.com. Contact Us New to Optimum? We’re here to help. Contact us for general, billing, or technical support. Optimum is a Telecommunications company located in 1 Court Sq, Queens, NY 11101, US with 390 employees. Access Optimum's email format and staff directory for direct contact details.