| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Isle of Man | (pseudo) Isle of Man | Large | Terminated December 1995 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated September 2000 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated December 1997 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated December 2010 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated January 2005 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated August 2004 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated July 2005 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated October 2006 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated January 2009 | |
| Isle of Man | (pseudo) Isle of Man | Large | ||
| Isle of Man | (pseudo) Isle of Man | Large | Terminated October 2011 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated December 2010 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated April 2013 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated April 2017 | |
| Isle of Man | (pseudo) Isle of Man | Large | ||
| Isle of Man | (pseudo) Isle of Man | Large | Terminated January 2019 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated December 1998 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated March 2007 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated March 2005 | |
| Isle of Man | (pseudo) Isle of Man | Large | Terminated March 2004 |