+1(514) 937-9445 or Toll-free (Canada & US) +1 (888) 947-9445
Well, try it and you'll have the answer.
Also, why would you even care ?
 
Hi I have a question after become citizen Cic keep open to access Ecas or not
in max 6 months ( after 3-6 months) the systems about your application is not shown anymore