The main line for Teachers College, Columbia University is 212-678-3000. You may reach a number of offices around the college by substituting the final four digits of that phone number with the following extensions:
Library Number
Russell Hall,1st Floor Library Services Desk: x3494
Other Teachers College Numbers
Emergencies on campus (Office of Public Safety): x3333
Zankel Hall Public Safety Desk: x2334
Lost & Found x3333
Facilities Management: x3010