Do you have your MyCIC credentials? You can get the application number by logging into the cic website. http://www.cic.gc.ca/english/e-services/mycic.asp
Are you asking about the Experss Entry Profile creation or PR Application post ITA?
EE will be in you profile, e.g. EEXXXXXXXXX which you can see once you login to MyCIC using GCKey and it also comes as a message in your CIC profile as a PDF that you can download and save.
Please ask your consultant to send you the pdf letter from CIC.