Post office locations in 22172
| Post Office | Address | Phone | Hours |
| TRIANGLE | 18627 OLD TRIANGLE RD TRIANGLE, VA 22172 - 9998 | 703-221-9546 | Mon-Fri 08:30 AM - 05:00 PM Sat 08:30 AM - 12:00 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| TRIANGLE | 18627 OLD TRIANGLE RD TRIANGLE, VA 22172 - 9998 | 703-221-9546 | Mon-Fri 08:30 AM - 05:00 PM Sat 08:30 AM - 12:00 PM Sun Closed |