Post Office - Columbia University 534 W 112th St New York, NY 10025 Phone : (212) 864-7813 Business Category Post Offices Toll-Free           (800) ASK-USPS Automated Postal Center - Columbia University 534 W 112th St New York, NY 10025 Phone : (212) 864-7813 Business Category Automated Postal Centers Toll-Free           (800) ASK-USPS