General Information
Frequently Called Numbers
Please use the department directory or the dial-by name directory for specific departments. For TC main number just dial 3000, then press the * key to spell the first few letters of the department or the last name of the person you are trying to reach. If you have any problems with dial-by name please call x3456.
| Department | Ext. | Box | Location |
| Accounting / Accounts Payable | 3055 | 235 | 303 Zankel Hall |
| Admissions | 3710 | 302 | 301 Thorndike Hall |
| Alumni Relations | 3215 | 306 | 193 Grace Dodge Hall |
| Barnard College* | 5262 | Barnard College | |
| Bancroft, Front Desk | 3227 | 312 | Bancroft Lobby |
| Business Services & Mail Center | 3403 | 192 | 34 Zankel Hall |
| Business Services & Mail Center - Fax | 4048 | 192 | 34 Zankel Hall |
| Cafeteria | 3168 / 3167 | 29 | 75 Grace Dodge Hall |
| Career Services | 3140 | 161 | 44 Horace Mann Hall |
| CIS - Academic Computing | 3302 | 43 | 234 Horace Mann Hall |
| CIS - Computer Labs | 3304 | 43 | 242 Horace Mann Hall |
| CIS - Computer Labs | 3807 | 43 | 345 Macy Hall |
| Columbia University Information * | 1754 | Columbia University | |
| CIS Help Desk | 3300 | 43 | 23A Zankel Hall |
| Controller's Office | 3016 | 30 | 175 Grace Dodge Hall |
| Dean Hope Center | 3262 | 91 | Thorndike Hall, 6th FL |
| Development & External Affairs | 3231 | 306 | 193 Grace Dodge Hall |
| Disabled Student Office - OSAID | 3689 | 105 | 166 Thorndike Hall |
| Doctoral Studies | 4058 | 304 | 324 Thorndike Hall |
| External Affairs | 3415 | 306 | 186 Grace Dodge Hall |
| Facilities | 3010 | 162 | 28 Zankel Hall |
| Financial Aid | 3714 | 309 | 134 Thompson Hall |
| Housing | 3235 | 312 | Whittier, 1st Fl |
| Human Resources | 3175 | 149 | 112 Zankel Hall |
| Information Desk - Zankel Security Desk | 3777 | 225 | Zankel Hall, 1st Fl |
| John Jay Health Services * | 212-854-2284 | Columbia University | |
| Library | 3494 | 69 | Russell Hall |
| Payroll | 3047 | 235 | 303 Zankel Hall |
| President Office | 3131 / 3132 | 163 | 124 Zankel Hall |
| Provost and Dean's Office | 3050 | 54 | 122 Zankel Hall |
| Purchasing | 3136 | 198 | 29 Zankel Hall |
| Registrar | 4050 | 311 | 324 Thorndike Hall |
| Room Assignments | 3707 | 311 | 324 Thorndike Hall |
| Security (EMERGENCY ONLY) | 3333 | 225 | 28 Zankel Hall |
| Shipping & Receiving | 3721 | 198 | 502 W. 121st St. |
| Student Accounts | 3056 | 305 | 133 Thompson Hall |
| Student Life | 3690 | 42 | 161 Thorndike Hall |
| TC Press | 3929 | 303 | 1234 Amsterdam Ave. |
| Telecommunications | 3456 | 108 | 54 Thorndike Hall |
| Touchstone Registration | 3200 | ||
| Transcripts | 4071 | 311 | 324 Thorndike Hall |
| Vice-President, Finance & Admin. | 3042 | 23 | 115 Zankel Hall |
| Vice Provost Office | 3052 | 151 | 113 Zankel Hall |
| Whittier Front Desk Security | 3220 | 225 | Whittier Lobby |
* Tie Line Calls
Calls made from within TC use 714 calls made from outside TC use 854.