Annandale, VA is a city located in Fairfax County, Virginia and has a land area of 12.63 square miles (32.71 km2). The water area for the city is 0.05 square miles or 0.13 km2. There is one unique zip code in Annandale, Virginia and it is 22003. The area code(s) for Annandale is 703.
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