| Locality | Postal Code |
|---|---|
| Michaelston-Y-Fedw, Newport (Casnewydd) | CF3 |
| Nash, Newport (Casnewydd) | NP18 |
| Newport, Newport (Casnewydd) | NP10, NP18, NP19, NP20 |
| Parc Seymour, Newport (Casnewydd) | NP26 |
| Penhow, Newport (Casnewydd) | NP26 |
| Peterstone Wentlooge, Newport (Casnewydd) | CF3 |
| Queensway Meadows Industrial Estate, Newport (Casnewydd) | NP19 |
| Redwick, Newport (Casnewydd) | NP26 |
| Rhiwderin, Newport (Casnewydd) | NP10 |
| Rogerstone, Newport (Casnewydd) | NP10 |
| Saint Brides Wentlooge, Newport (Casnewydd) | NP10 |
| Saint Julians, Newport (Casnewydd) | NP19 |
| Saint Modwen Park, Newport (Casnewydd) | NP19 4RG |
| Whitson, Newport (Casnewydd) | NP18 |