| Postcode | Country | County | Type | Status |
|---|---|---|---|---|
| Channel Islands | (pseudo) Channel Islands | Large | ||
| Channel Islands | (pseudo) Channel Islands | Large | Terminated September 2019 | |
| Channel Islands | (pseudo) Channel Islands | Large | Terminated February 2004 | |
| Channel Islands | (pseudo) Channel Islands | Large | Terminated February 2004 | |
| Channel Islands | (pseudo) Channel Islands | Large | ||
| Channel Islands | (pseudo) Channel Islands | Large | ||
| Channel Islands | (pseudo) Channel Islands | Large | ||
| Channel Islands | (pseudo) Channel Islands | Large | ||
| Channel Islands | (pseudo) Channel Islands | Large | ||
| Channel Islands | (pseudo) Channel Islands | Large | Terminated February 2005 | |
| Channel Islands | (pseudo) Channel Islands | Large | Terminated March 2018 | |
| Channel Islands | (pseudo) Channel Islands | Large | ||
| Channel Islands | (pseudo) Channel Islands | Large | ||
| Channel Islands | (pseudo) Channel Islands | Large | ||
| Channel Islands | (pseudo) Channel Islands | Large | Terminated April 2006 | |
| Channel Islands | (pseudo) Channel Islands | Large | ||
| Channel Islands | (pseudo) Channel Islands | Large | ||
| Channel Islands | (pseudo) Channel Islands | Large | Terminated May 2006 | |
| Channel Islands | (pseudo) Channel Islands | Large | ||
| Channel Islands | (pseudo) Channel Islands | Large |