Originally Posted by
Palal
I don't know if it's true, but I've found this to be a west coast vs. east coast thing. I once asked them (don't remember where) to stamp me and they said something along the lines of "it's illegal for us to stamp US passports"
I notice the same trend. I don't fly often, but I haven't been stamped in SFO and SEA while they always stamped me in JFK. Since I typically fly from/to SFO for my international destinations, I was less often stamped than not.