Collector Resources > The DPO Book
The DPO Book: Discontinued and Renamed Post Offices in the ZIP Era, 1963[Present] is an excellent resource for postmark collectors, postal historians, and investors. It makes for an ideal companion to the PMCC Directory of [open] Post Offices, which no collector or postal historian should be without. The DPO Book is updated frequently and the purchase price includes two free future annual updates via email.
Available only on CD in .pdf format, the DPO Book contains the most accurate closing information possible on more than 14,000 post offices, including nearly 1,500 name changes. It also features more than 1,200 place name origins and 70+ photographs of closed Post Offices.
For more information, you can email the book's editor:
You can also mail questions to the editor at the ordering address below.
Send a check for $17.95 to Jay Lounsbury, payable to him at the address below:
1900 Aberdeen Drive
Dunkirk, MD 20754-9732
A portion of the proceeds go to the PMCC Post Office Directory project.