20120 is zip code located in Centreville, Virginia. The population is 41,318, making 20120 the largest zipcode in Centreville and the 4th largest in Fairfax County.
There are 7 public schools in 20120 with an average Homefacts rating of A-. , and there are 20 registered sex offenders residing in the zip code 20120. Unemployment in 20120 is low.