This is a field puzzle. Find the correct P.O.Box to solve for the coordinates to the final located nearby.
The final is at N39 AB.CDE W084 VW.XYZ
Start at 4191. Go South 5, East 9, North 1, West 3. Box# 41AB.
Start at 3641. Go South 7, West 19, North 3, East 8. Box# 38C5.
Start at 3631. Go South 8, East 19, North 5. Box# 3DE4.
Start at 4001. Go South 5, West 8, North 4, East 11. Box# 40VW.
Start at 3410. Go North 7, West 7, South 5, East 2. Box# 34X8.
Start at 3650. Go North 7, West 22, South 7, East 16. Box# 3YZ0.
Congrats to ArSoNOpTiKS for the FTF!!