3-1-1 is available in several major American cities, including: Akron, Albuquerque, Austin, Baltimore, Charlotte, Chattanooga, Chicago, Columbus, Dallas, Denver, Detroit, Hartford, Houston, Kansas City, Las Vegas, Little Rock, Los Angeles, Miami, Milwaukee, Minneapolis, Mobile, Nashville, New York City, Rochester, Orlando, Pittsburgh, San Antonio, San Francisco, San Jose, Somerville, and Washington, D.C..