Type. Click. Found. At 411 Directory Assistance, we strive to provide small to medium size Canadian businesses the online exposure they need by connecting them with prospective clients and other businesses. 411 Directory Assistance also provides Canadians with Directory Assistance services for Residential Phone Numbers and Addresses. 411DirectoryAssistance.ca is a registered trademark of 411 Corp. Questions or Concerns? Message us, Email us social@411da.ca or call us at 1-800-847-2307