Ontario License Plates: How Are They Actually Sequenced?

Alright, so I always figured I understood how license plate sequences worked in Ontario, but now I’m not so sure.

Obviously, passenger-car plates (blue letters) are mostly predictable. An ordered sequence of four letters and three numbers, which I assume are distributed in at least near-perfect order based on my observations (CCPK 131, CCPK 132, etc).

Of course, there may be exceptions, such as F-plates for the Francophones.

Now, truck and commercial-vehicle plates work in a similar manner, right? Two letters, Five numbers.

In 2022, I registered a truck and was given “BR” plates. Two years later, I bought another truck and received BZ plates. A few months later, CA plates were out.

Okay, so tell me why I registered a truck and received “CF” plates, when I could have sworn we were still on the “CC” sequence. Someone I know even registered a new truck after mine and received new “CC” plates. Plus, I’ve seen early-sequenced “CD” plates. Now I’m just confused. How did I jump all the way up to “CF”?

Is it maybe because I drove to, purchased, and registered the truck in North Bay and drove it back to Sudbury? Is geographical location relevant?

Someone from the MTO or ServiceOntario explain it to me like I’m a toddler.

And yes, I know the plates are registered to the owner and transferable. I’ve done it before.