| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Hertfordshire | Large | Terminated June 2004 | |
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Large | Terminated June 2000 | |
| England | Hertfordshire | Small | ||
| England | Essex | Small | ||
| England | Hertfordshire | Large | Terminated October 2006 | |
| England | Hertfordshire | Large | Terminated November 2007 | |
| England | Essex | Small | ||
| England | Essex | Large | Terminated May 2001 | |
| England | Hertfordshire | Small | Terminated December 1990 | |
| England | Hertfordshire | Small | ||
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small |