Below is a chart that contains all the 5-digit dialing patterns for the Virginia Tech voice network.
| 5-digit dialing | 10-digit telephone number |
| VT Campus | |
| 1-xxxx | 540-231-xxxx |
| 2-xxxx | 540-232-(0-8)xxx |
| FBRI and VTCSOM, Roanoke | |
| 8-2000 - 82999 | 540-526-2000 to 2999 |
| FBRI, CNRIC, Washington DC | |
| 4-18XX | 202-960-18XX |
| VT Research Center, Arlingon | |
| 8-3000 through 8-3399 | 571-858-3000 to 3399 |
| Northern VA Graduate Center, Falls Chruch | |
| 8-3740 through 8-3799 | 703-538-3740 to 3799 |
| 8-8300 through 8-8499 | 703-538-8300 to 8499 |
| Equine Medical Center, Leesburg | |
| 6-6800 through 6-6899 | 703-771-6800 to 6899 |
| Language & Cultural Institute, Fairfax | |
| 5-2729 through 5-2739 | 703-205-2729 to 2739 |
| 5-2750 through 5-2778 | 703-205-2750 to 2778 |
| Southern Piedmont AREC | |
| 8-5520 through 8-5616 | 434-818-5520 to 5616 |
| Eastern Shore AREC | |
| 7-6529 through 7-6628 | 757-807-6529 to 6628 |
| Northern District Office AREC, Harrisonburg | |
| 2-6000 through 2-6029 | 540-232-6000 to 6029 |
| Alson H. Smith AREC, Winchester | |
| 2-6030 through 2-6059 | 540-232-6030 to 6059 |
| Shenandoah Valley AREC, Raphine | |
| 2-6070 through 2-6073 | 540-232-6070 to 6073 |
| Accomack County Extension Office | |
| 2-9049 through 2-9058 | 757-302-9049 to 9058 |
| Greensville Emporia Extension Office, Emporia | |
| 6-5987 through 6-5996 | 434-336-5987 to 5996 |
| President's Office, Richmond | |
| 6-8127 | 804-786-8127 |
| 6-1987 | 804-786-1987 |
| 6-8113 | 804-786-8113 |
| 6-1604 | 804-786-1604 |
| 6-8110 | 804-786-8110 |
| 6-8132 | 804-786-8132 |
| 6-1990 | 804-786-1990 |
| 6-8111 | 804-786-8111 |
| 6-8112 | 804-786-8112 |
| 6-1989 | 804-786-1989 |
Jed Krisch
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