ccs132a
The added C is a 72 thing...it means Chevy. If it was a GMC, it would be a T
So you have;
C Chevy
C2 wheel drive
S inline 6
1 1/2 ton
3 i can't remember what 3 is... cab chassis maybe? (does it have a bed on it?
2 1972
A built in Atlanta
Here is our VIN decoder
http://67-72chevytrucks.com/Chevyear.html