Abacus Federal Savings Bank is a full service financial institution with 6 branches covering New York, New Jersey and Pennsylvania. Main Office: 8 Bowery, New York, NY 10038 Main Line: 212-285-4770 - Branches - Bowery Branch: 6 Bowery, New York, NY 10038 Flushing Branch: 36-30 Main Street, Flushing, NY 11354 Brooklyn Branch: 5518 8th Avenue, Brooklyn, NY 11220 Nassau Branch: 116 Nassau Street, New York, NY 10038 Edison NJ Branch: 869 US Highway 1, Edison, NJ 08817 Philadelphia PA Branch: 147 North 10th Street, Philadelphia, PA 19107