points. Terminal railway post offices operated generally from 1913-1914 into the mid-1960s, before their function was absorbed by post office sectional...

In Canada and the United States, a railway post office, commonly abbreviated as RPO, was a railroad car that was normally operated in passenger service...

The United States Postal Service (USPS), also known as the Post Office, U.S. Mail, or Postal Service, is an independent agency of the executive branch...

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 1971, the postmaster general was the head of the Post Office Department, or simply "Post Office" until the 1820s.: 60–65  During that era, the postmaster...

including those now obsolete. As early as October 1831, the United States Post Office recognized common abbreviations for states and territories. However,...

Post was transported over water in the United States in the later nineteenth and the twentieth century. Route agents and, later, railway post office (RPO)...

postal codes began with postal district/zone numbers. The United States Post Office Department (USPOD) implemented postal zones for 178 large cities in May...

changing the proportion of BEV NGDVs to 100%. During the May 2022 National Post Forum, the USPS confirmed that it will increase the number of BEV NGDVs in...

reliability test. Real-world testing at the Fountain Valley, California post office during July and August demonstrated the average route covered 13–16 miles...