Private company

Postal Transportation Service

Former rail based division of US Post Office Department

The Postal Transportation Service (PTS) was the renamed successor to the Railway Mail Service of the United States Post Office Department from October 1, 1949. Although this branch of the service had been in charge of all transit mail, some parts had little to do with railroads, even though they were still the most important part of the service.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

The Postal Transportation Service (PTS) was the renamed successor to the Railway Mail Service of the United States Post Office Department from October 1, 1949. Although this branch of the service had been in charge of all transit mail, some parts had little to do with railroads, even though they were still the most important part of the service.2

Subsidiaries and ownership

Parent company

  • United States Post Office Department

From Wikidata.1

Acquisitions

  1. Succeeded Railway Mail Service1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2