WA - Warrington
The postal area WA (Warrington) comprises of the following post towns; these towns should be written in capital letters when used in addresses.
Postal Districts within WA - Warrington
| Country | Post Town | Postal District |
| England | Warrington | WA1 WA2 WA3 WA4 WA5 WA6 |
| Runcorn | WA7 | |
| Widnes | WA8 | |
| St Helens | WA9 WA10 WA11 |
|
| Newton le Willows | WA12 | |
| Lymm | WA13 | |
| Altrincham | WA14 WA15 |
|
| Knutsford | WA16 |
