On 5/10/2011 7:33 PM, Edward A. Falk wrote:
I find airnav.com is a pretty good resource.

http://airnav.com/airport/PANC

Anybody know what the prefix 'P' means?

P is the ICAO prefix for the Pacific Region, which includes Alaska.

I would have expected 'K'
when I looked it up.

K is the ICAO prefix for the contiguous United States Region, which does
not include Alaska.