Sectors in CH43
| Sector | Main place | Postcodes |
|---|---|---|
| CH43 0 | Birkenhead | 90 |
| CH43 1 | Birkenhead | 70 |
| CH43 2 | Birkenhead | 95 |
| CH43 3 | Birkenhead | 71 |
| CH43 4 | Birkenhead | 69 |
| CH43 5 | Birkenhead | 89 |
| CH43 6 | Birkenhead | 57 |
| CH43 7 | Birkenhead | 165 |
| CH43 8 | Birkenhead | 35 |
| CH43 9 | Birkenhead | 193 |
Places covered by CH43
- Birkenhead Wirral · 933