This list is unlikely to ever be complete.
Feel free to add entries.
Canada[]
United Kingdom[]
- East Anglian Postal History Society
- Great Britain Philatelic Society
- Midland Postal History Society
- Postal History Society
- Scottish Postal History Society
- Somerset and Dorset Postal History Group
- Sussex Postal History Society
- Welsh Postal History Society
United States[]
- Indiana Postal History Society
- New Hampshire Postal History Society
- North Carolina Postal History Society
- Pennsylvania Postal History Society
- Texas Postal History Society
- Wisconsin Postal History Society
==Military Postal History
- Forces Postal History Society [www.forcespostalhistorysociety.org.uk/contact-us-2.html]
Military Postal History Society [1]