3-1-1

3-1-1 is a special telephone number used for non-emergency call to municipal services. It is used in several cities in Canada and the United States. 3-1-1 was created to receive many of the calls which commonly were made to 9-1-1 which were common questions and not emergencies. 
Availability.
United States.
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..
Canada.
The service is available in the following communities (with starting date):
Other Canadian municipalities are expected to use 3-1-1 in the near future. These include Edmonton, Winnipeg and Toronto.