Area Codes
| 703 | Virginia (Northern Virginia: Alexandria, Arlington, Fairfax, Prince William and eastern Loudoun counties, overlaid by 571) | More information at: Area Code 703 Phone Number Blocks
| 703 | Virginia (Northern Virginia: Alexandria, Arlington, Fairfax, Prince William and eastern Loudoun counties, overlaid by 571) | More information at: Area Code 703 Phone Number Blocks