"Hahah! It's my job now, so I better be!" He does not miss the implied shenanigans that come with asking for numbers.

He also does not hesitate to pull his pokegear out so that he can trade said numbers. "Heh- of course! Hermana might be in the middle of a fight whenever you call her, but she'll answer if she can. That or a rotom will do it, so you might want to be careful about timing that...she is married..."

And rotoms lack all sense of privacy-

"But here's hers, and here's Dr. Kujo's- though if I spot him coming over, I can just give you a heads up so that you can find him in person. You figured these things out pretty quick though, huh?"

From the tone, he's not surprised because of any technological disadvantages being perceived- it's more, pokegear are Weird.