Railway Mail Service - Operating Divisions

1950

First Division: Maine, Vermont, New Hampshire, Rhode Island, Connecticut, Massachusetts. Headquarters: Boston, Massachusetts.
Second Division: New York, New Jersey. Headquarters: New York City.
Third Division: District of Columbia, Virginia, West Virginia, North Carolina. Headquarters: Washington, D.C.
Fourth Division: Tennessee, South Carolina, Alabama, Georgia, Florida. Headquarters: Atlanta.
Fifth Division: Kentucky, Indiana, Ohio. Headquarters: Cincinnati.
Sixth Division: Illinois, Iowa. Headquarters: Chicago.
Seventh Division: Missouri, Kansas. Headquarters: St. Louis, Missouri.
Eighth Division: California, Nevada, Utah, Arizona. Headquarters: San Francisco.
Ninth Division: Michigan, also lines of New York Central Railroad between New York City and Chicago. Headquarters: Cleveland.
Tenth Division: North Dakota, South Dakota, Minnesota, Wisconsin, Michigan peninsula. Headquarters: St. Paul, Minnesota.
Eleventh Division: New Mexico, Texas, Oklahoma. Headquarters: Fort Worth.
Twelfth Division: Arkansas, Louisiana, Mississippi. Headquarters: New Orleans.
Thirteenth Division: Montana, Idaho, Oregon, Washington. Headquarters: Seattle.
Fourteenth Division: Colorado, Wyoming, Nebraska. Headquarters: Omaha.
Fifteenth Division: Pennsylvania, Delaware, also lines of Pennsylvania Railroad west of Pittsburgh. Headquarters: Pittsburgh.