I moved to Cold Lake, AB. I'm trying to change my number to a Cold Lake number, but it's not listed in the town/city list. ??? It's a bigger city that many others listed there, but it's not in the list.
Chances are, the place you live is too small to have its own local set of numbers. As John suggested, there should be a larger city/town that would have its own local set of numbers that would work for you.