That is my experience, too. As the local power company Xcel, 'splained to me, the wires are out in open air, but they can size them to their own guidelines, anyhow and it turns out that power companies are not under NEC rules.
Your AWG feeler set is intact. How old is it. The life expectancy of the last 2 sets I purchased was about 2 months.
For a second I thought it was one of my old thread titles.
No worries. Everyone understood.
I agree with Jim and I see no reason why you should even waste any time checking the size of the drop conductors. Even if you could somehow accurately report them as undersized the utility company will probably not change them.
Happens to me, too. I heavily rely on spellcheck, but it can be embarrassing when I somehow screw up a spelling so bad that it is actually a word and spellcheck doesn’t check for context. (Funny, I typed “contest” and luckily caught my mistake, or I would have had one of those stupid misspellings here)