Arlington County, Virginia addition to receiving the lowest proportion of Arlington's vote for a Democratic or Republican candidate in the past century. Arlington is part of Virginia's 8th congressional district, represented by Democrat Don Beyer. The United States Postal Service designates zip codes starting with "222" for exclusive use in Arlington County. However, federal institutions, like Ronald Reagan Washington National Airport and The Pentagon use Washington zip codes. Arlington has consistently had the lowest unemployment rate of any jurisdiction in Virginia. The unemployment rate in Arlington was 4.2% in August 2009. 60% of office space in the Rosslyn-Ballston corridor is leased to government
Arlington County Fire Department natural disaster staffing, and scene lighting, air replenishment and canteen services for long duration incidents. The Arlington County bomb squad is jointly operated by the ACFD and the Arlington County Police Department. While the bomb disposal rigs are staffed by the fire department, and stored at Fire Station 3, the Bomb Squad works with the ACPD explosive canine teams on explosive related incidents. The squad is classified as a Type 2 squad on FEMA's three-level classification system. This classification denotes that the bomb squad has the following equipment available: The Arlington County Fire Department was the lead agency in the