| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Large | Terminated December 1991 | |
| England | Essex | Small | ||
| England | Essex | Large | Terminated December 1991 | |
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Large | Terminated December 1992 | |
| England | Essex | Small | ||
| England | Essex | Large | Terminated December 1996 | |
| England | (pseudo) England (UA/MD/LB) | Large | Terminated April 2016 | |
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small | ||
| England | Essex | Small |