data.cityofchicago.orgOUTDATED. See the current data at https://data.cityofchicago.org/d/htai-wnw4 -- List of alderman, office address, phone number, and website for all 50 Chicago wards. This version of the data was posted 7/2/2013 and stayed live until 7/16/2015, when it was replaced with the list of aldermen inaugurated 5/18/2015, after allowing time for most office space arrangements to be finalized.https://data.cityofchicago.org/api/views/6mw6-krd4engCity of Chicago Data PortalPublicFacilities & Geographic BoundariesWard Offices (Deprecated May 2015) [Illinois--Chicago]Web servicesIllinois--ChicagoIllinois2015