Commissioned at Quebec City on April 28, 1944, Charlottetown visited her namesake city en route to Halifax on May 22. She arrived in Bermuda on June 18 for a month's working-up, and on her return to Halifax was assigned to EG 16. She left Halifax on March 7, 1945, for Londonderry, the group having been transferred there, and was also briefly based at Portsmouth. In May she escorted two convoys to Gibraltar and two back, and in mid-June left Londonderry for Sydney, N.S. There she commenced a tropicalization refit that was completed at Halifax on February 28, 1946, and on March 3 left for Esquimalt. She spent the rest of the year training cadets and new entries, and on March 25, 1947, was paid off at Esquimalt. She was sold the same yean and her hull expended as a breakwater at Oyster Bay, B.C.