Depends on carrier, but in my experience:
Breck: Spotty at the top of 9, Good at the top of 8, No at the tops of 7 and 10
Yes at the bottom of all
Vail: Spotty everywhere for me
Do you need to know about other state ski areas (Aspen, T-Ride, Flatboat, WP, etc.)?
P.S. Don't ask how I know what I know. It's a long story.
"The world would be a better place if everyone kayaked."-Brad Ludden (Valhalla)
"You only get one chance to run a drop blind."-DD