Post office locations in 23690
| Post Office | Address | Phone | Hours |
| COAST GUARD FINANCE UNIT | 1 U S COAST GUARD TRN CTR YORKTOWN, VA 23690 - 5001 | 757-856-2169 | Mon-Fri 11:00 AM - 01:00 PM 02:00 PM - 03:00 PM Sat-Sun Closed |
| YORKTOWN | 126 BALLARD ST YORKTOWN, VA 23690 - 9998 | 757-898-4401 | Mon-Fri 10:00 AM - 01:00 PM 02:00 PM - 03:00 PM Sat-Sun Closed |