| Business | Phone |
| Arlington Campus 4400 University Dr, Fairfax 22030 | (703) 993-8999 |
| Bilingual Multicultural Esl 4400 University Dr, Fairfax 22030 | (703) 993-3688 |
| Central Receiving 4400 University Dr, Fairfax 22030 | (703) 993-2577 |
| Computational Sciences Sch 4400 University Dr, Fairfax 22030 | (703) 993-1990 |
| Dean 4400 University Dr, Fairfax 22030 | (703) 993-2008 |
| Development Office 4400 University Dr, Fairfax 22030 | (703) 993-8850 |
| Disability Resource Ctr 4400 University Dr, Fairfax 22030 | (703) 993-2474 |
| Early Identification Program 4400 University Dr, Fairfax 22030 | (703) 993-3120 |
| Summer Term 4400 University Dr, Fairfax 22030 | (703) 993-2300 |
| Fiscal Svc 4400 University Dr, Fairfax 22030 | (703) 993-2660 |
| Field House 4400 University Dr, Fairfax 22030 | (703) 993-3220 |
| Geography Dept 4400 University Dr, Fairfax 22030 | (703) 993-1210 |
| George Mason - Chemistry 4400 University Dr, Fairfax 22030 | (703) 993-1070 |
| George Mason Uhemlock Overlook 4400 University Dr, Fairfax 22030 | (703) 993-4354 |
| George Mission University 4400 University Dr, Fairfax 22030 | (703) 993-1151 |
| Kellar Institute 4400 University Dr, Fairfax 22030 | (703) 993-3670 |
| Mason Money 4400 University Dr, Fairfax 22030 | (703) 993-2870 |
| Modern & Classical Languages 4400 University Dr, Fairfax 22030 | (703) 993-1220 |
| New Century College 4400 University Dr, Fairfax 22030 | (703) 993-1436 |
| Registrar 4400 University Dr, Fairfax 22030 | (703) 993-2441 |
| School Public Policy 4400 University Dr, Fairfax 22030 | (703) 993-2280 |
| Sociology & Anthropology 4400 University Dr, Fairfax 22030 | (703) 993-1440 |
| Sponsored Programs 4400 University Dr, Fairfax 22030 | (703) 993-2988 |
| Admissions 4400 University Dr, Fairfax 22030 | (703) 993-2400 |
| Alumni Affairs 4400 University Dr, Fairfax 22030 | (703) 993-8696 |
| George Mason Univ Biology Dept 4400 University Dr, Fairfax 22030 | (703) 993-1050 |
| George Mason Univ-Registral 4400 University Dr, Fairfax 22030 | (703) 993-2436 |
| Interdisciplinary Studies 4400 University Dr, Fairfax 22030 | (703) 993-8762 |
| Philosophy Religious Studies 4400 University Dr, Fairfax 22030 | (703) 993-1290 |
| Presidents Office 4400 University Dr, Fairfax 22030 | (703) 993-8703 |
| University Relations 4400 University Dr, Fairfax 22030 | (703) 993-8860 |
| Womens Studies Program 4400 University Dr, Fairfax 22030 | (703) 993-2896 |