1. it's the same for all of the US
one
The number of stamps is irrelevant. The cost is dictated by the weight of the letter and the method by which it is transported.
probably around 20
one $0.45 stamp for a letter. more for heavier pacakages.
for a couple page letter, the current stamp rate applies.
Only one
one
you have to put i think 2 or 3 stamps on a letter to Santa
It takes 42 postage stamps
2
how many stamps does it take from vancouver to california
One first class postage.
3
one
1.
3
On a standard letter just one.