UnitedHealthcare.

1-866-783-6471.TTY 711

8 a.m.-8 p.m. local  time, 7  days  a  week

 

MTA  Business  Service  Center

Email:bscservice@mtabsc.org

Phone:  646-376-0123

Fax: 212-852-8700

Website: www.mtabsc.info

Walk-in Center: 180  Livingston  St.  6th  Floor,  Brooklyn, NY 11201

Hours: Monday-Friday  8:30 a.m. to 5:00 p.m.