What does the code on a can of Royal Pink Salmon mean 2813P 10810?

The code stamped onto cans of Royal Pink Salmon has a specific meaning:

28: This designates the species of fish. 28 is the processor code for pink salmon.

13: This stands for the location where the salmon was processed. In this case, it was processed in a facility in Alaska, USA.

P: This indicates the type of salmon. P is the code for pink salmon.

10810: This number, 10810, represents the lot number and date of packing.