Where can i get help with horizon nj health insurance? Member Services Someone is available 24 hours a day, seven days a week to help you, please call: 1-800-682-9090 (TTY 711) Horizon NJ Health Enrollment Hotline For information on enrollment, please call: 1-800-637-2997 What are the phone numbers for health insurance in new jersey? Phone Numbers Provider Services 1-800-682-9091 Member Services Someone is available 24 ... 1-800-682-9090 (TTY 711) Horizon NJ Health Enrollment Hotline For ... 1-800-637-2997 Horizon NJ Health Care/Case Manager To s ... 1-800-682-9094 (TTY 711) New Jersey State Health Benefits Coordin ... 1-800-701-0710 (TTY 1-800-701-0720) How do i contact horizon blue cross blue shield of new jersey? Horizon Blue Cross Blue Shield of New Jersey PO Box 10138 Newark, NJ 07101-9633. Monday – Sunday, 24 hours a day 1-800-391-1906 (TTY call 711) Horizon Blue Medicare Supplement Plan Members. Horizon Blue Cross Blue Shield of New Jersey PO Box 1177 Newark, NJ 07101-1177 Monday – Sunday from 8 a.m. to 8 p.m. 1-888-276-4299 (TTY call 711)