Railway Mail Service
US mail transportation service / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Railway Mail Service?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
The Railway Mail Service of the United States Post Office Department was a significant mail transportation service in the US from the mid-19th century until the mid-20th century. The RMS, or its successor the Postal Transportation Service (PTS), carried the vast majority of letters and packages mailed in the United States from the 1890s until the 1960s.