North West Region Postcodes
| AREA | POSTCODE AREA (Entire Postcode Area is within the regional boundary) | POSTCODE DISTRICT (Where the Postcode Area is split across regional boundaries) | POSTCODE SECTOR (Where the Postcode District is split across regional boundaries) |
| Blackburn | BB |
|
|
| Blackpool | FY |
|
|
| Bolton | BL |
|
|
| Cheshire |
| CH1, CH2, CH3, CH41, CH42,CH43, CH44, CH45, CH46, CH47, CH48, CH49, CH60, CH61, CH62, CH63, CH64, CH65, CH66 | CH4 7, CH4 8, CH4 9 |
| Crewe | CW |
|
|
| Cumbria | CA |
|
|
| Isle of Man | IM |
|
|
| Lancashire | LA |
|
|
| Liverpool | L |
|
|
| Manchester | M |
|
|
| Oldham |
| OL1, OL2, OL3, OL4, OL5, OL6, OL7, OL8, OL9, OL10, OL11, OL12, OL13, OL15 |
|
| Preston | PR |
|
|
| Stockport | SK |
|
|
| Warrington | WA |
|
|
| Wigan | WN |
|
|
