Oak Lawn is a neighborhood in Dallas, Texas (USA), defined in Dallas City Ordinance 21859 as Planned Development District No. 193, the Oak Lawn Special Purpose District. The unofficial boundaries are Turtle Creek Boulevard, Central Expressway, the City of Highland Park, Inwood Road, and Harry Hines Boulevard. It is over in area. Officially it is bounded by the City of Highland Park, the North Central Expressway, Stemmons Freeway, Woodall Rodgers Freeway, and other roads. The district is within the boundary defined by the City of Dallas law, excluding any existing planned development districts within. About Oak Lawn is one of the wealthier areas of metropolitan Dallas, with the population consisting mainly of urban professionals. The area is peppered with upscale townhouses, condos, apartments, and duplexes. Along the Uptown portion on McKinney Avenue and along Turtle Creek Boulevard, there are many new high-rise condominiums and apartments. It is also a very diverse neighborhood with well established areas of older, single family homes. For most of the 20th century the southern portion of the neighborhood near the intersection of Cedar Springs Road and Harry Hines Blvd was known as "Little Mexico". St. Anne's Catholic school served as the center for the community. With the redevelopment of the neighborhood beginning in the 1980s Little Mexico vanished. Only a few structures of this original community remain for most have been replaced by high rise office buildings, luxury hotels, and condominiums. As of 2010, St Ann's Catholic School, which had closed, is now an upscale restaurant. Oak Lawn became a magnet for the counterculture movement in the late 1960s due to its inexpensive apartments and its proximity to Turtle Creek Park (formerly known as Lee Park and Oak Lawn Park). Geography Neighborhoods International Center Love Field neighborhood Turtle Creek Maple, Dallas Perry Heights Government and infrastructure The United States Postal Service operates the Oak Lawn Post Office at 2825 Oak Lawn Avenue; ZIP Code: 75219. The Federal Bureau of Prisons South Central Region Office was previously in Oak Lawn. It has since moved to the U.S. Armed Forces Reserve Complex in Grand Prairie, Texas. Diplomatic missions The Consulate-General of the United Kingdom in Dallas was located in Suite 940 at 2911 Turtle Creek Boulevard. In April 2005 the British government announced that it was closing the Dallas consulate in the summer of 2005; its territory was transferred to the consulate-general in Houston. It was one