Everyone that collects Canadian stamps have at least used their web site once or more...Massive amounts of information to be had...It does have it's errors, oddities, etc.
I just looked at ONE area, Hamilton, Ontario.HERE IS ONE POST OFFICE THAT HAS A DATE OF APPOINTMENT AS 1954-07-08 BUT AT THE SAME TIME HAS A VACANCY DATE OF 1954-04-29...???HAMILTON-WEST SHOWS DATE OF VACANCY AS 1920, IT REALLY CLOSED 1979-10-29...???
HAMILTON SUB #7 SHOWS ESTABLISHED 1955-11-16 BUT SHOWS CLOSING AS 1929-07-10...???HAMILTON SUB #9 SHOWS ESTABLISHED 1960-03-17 AND CLOSED 1960-00-31...???HERE IS A COUPLE OF NEAT PIECES OF INFO - HAMILTON (WENTWORTH) WAS ACTIVE FOR OVER 154 YEARS IF IN FACT IT DID CLOSE ON 1979-10-29.HERE IS THE HAMILTON SUB #2 THAT MOVED 7 TIMES A FEW FEET AWAY FROM THE LAST STATION IN 71 YEARS...EXPENSIVE MOVES I BET.Those oddities are just from ONE postal area, Hamilton..How many more exist across Canada.???