I get there as well, but it takes a bit. Generally, the zone hits me when I'm in crunch time and I know that I won't have any meetings for a while. My ideas all work together and if I get stuck on something, it's not long before I can figure it out. I can generally get a ton of work accomplished.
But then, someone knocks on my cube to say, "do you know where the elevators are at?"
But then, someone knocks on my cube to say, "do you know where the elevators are at?"