| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Large | Terminated December 1992 | |
| England | Essex | Small | ||
| England | Hertfordshire | Large | Terminated October 2013 | |
| England | Hertfordshire | Large | Terminated December 2018 | |
| England | Essex | Small | ||
| England | Hertfordshire | Large | Terminated August 2010 | |
| England | Essex | Large | Terminated October 2003 | |
| England | Hertfordshire | Large | Terminated September 2009 | |
| England | Hertfordshire | Large | Terminated January 2014 | |
| England | Hertfordshire | Large | ||
| England | Hertfordshire | Large | Terminated June 2008 | |
| England | Essex | Small | ||
| England | Essex | Large | Terminated December 1984 | |
| England | Hertfordshire | Large | Terminated December 1984 | |
| England | Essex | Small | Terminated July 1995 | |
| England | Hertfordshire | Large | Terminated December 1990 |