Instructions for Enrolling in a 2015 Off-Exchange Policy with Aetna Virginia If you have not yet purchased 2015 health insurance, there is still time and we can help! If you live in Northern Virginia — Alexandria City, Arlington County, Fairfax County, Fairfax City, Falls Church City, and Loudoun County — click here. If you live elsewhere in Virginia and would like to enroll in an off-exchange policy with Aetna Virginia