Ebbie: where are you? I don't mean I'm looking for you; I mean, what part of the world? Are you in Alaska, or am I thinking of someone else?

Bill D: Likewise: where are ya?

I would be very surprised if a North American editor were to notice "I forgot ... at home", which is a perfectly acceptable North American idiom (don't want to get into that argument, though). When I think of the truly egregious grammar and usage errors I've seen come out of highly-regarded publications and publishers in the past decade or two ....

(Btw: Charmion said she "hears it frequently".)