A short silent film showing the Multi-Position Letter Sorting Machine (MPLSM). MPLSM operators used 20-key keyboards to type in two or three numbers from the ZIP code, so the machine could then sort ...

BACK TO YOU. ALL RIGHT, MIKE, THANK YOU. WELL, NEW THIS MORNING AS YOU GET READY TO MAIL YOUR HOLIDAY CARDS AND PACKAGES, THE POSTAL SERVICE IS BUSY MAKING SURE THEY GET TO THEIR DESTINATIONS ON TIME.

The U.S. Postal Service can process 1 million packages per day at its newly upgraded Avondale facility. The massive sorting machine is part of a $40 billion investment the Postal Service is making to ...

Terry Julin has been recognized by the U.S. Postal Service for 25 years of service. Julin began his postal career as a letter sorting machine operator in Fargo. He was a carrier for two years in Great ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. One of the ongoing challenges of the Post Office Department over the course of the twentieth century was sorting an ...