VIRGINIA: Alexandria, Arlington County, Lorton, McLean, Springfield and much of Eastern Fairfax County.
MARYLAND: Prince Georges County, Howard County, Anne Arundel County, Charles County and Silver Spring.
EASTERN DC: Capitol Hill, Adams Morgan NE, Eastern Dupont Circle, Brightwood, Navy Yard and Ball Park.
Western Fairfax County
Centreville, Chantilly, Clifton, Fair Lakes, Fair Oaks, Fairfax, Herndon, Oak Hill, Reston, South Riding, Western Fairfax County (For 22030 - South of Braddock Rd and West of Shirley Gate Rd. For 22124 and 22181 - West of Hunter Mill Rd)