All postcodes in L23 4
| Postcode | Place | Type |
|---|---|---|
| L23 4AB | Crosby | street |
| L23 4AD | Crosby | street |
| L23 4AE | Crosby | street |
| L23 4AF | Crosby | street |
| L23 4AG | Crosby | street |
| L23 4AH | Crosby | street |
| L23 4AJ | Crosby | street |
| L23 4AL | Crosby | street |
| L23 4TA | Crosby | street |
| L23 4TB | Crosby | street |
| L23 4TD | Crosby | street |
| L23 4TE | Crosby | street |
| L23 4TF | Crosby | street |
| L23 4TG | Crosby | street |
| L23 4TH | Crosby | street |
| L23 4TJ | Crosby | street |
| L23 4TL | Crosby | street |
| L23 4TP | Crosby | street |
| L23 4TQ | Crosby | street |
| L23 4TR | Crosby | street |
| L23 4TS | Little Crosby | street |
| L23 4TT | Little Crosby | street |
| L23 4TU | Little Crosby | street |
| L23 4TW | Crosby | street |
| L23 4TX | Little Crosby | street |
| L23 4TY | Crosby | street |
| L23 4TZ | Crosby | street |
| L23 4UA | — | street |
| L23 4UB | Crosby | street |
| L23 4UD | Crosby | street |
| L23 4UE | Crosby | street |
| L23 4UF | Crosby | street |
| L23 4UG | Crosby | street |
| L23 4UH | Crosby | street |
| L23 4UJ | — | street |
| L23 4UL | Crosby | street |
| L23 4UN | Crosby | street |
| L23 4UP | Little Crosby | street |
| L23 4UQ | Crosby | street |
Places in sector L23 4
- Crosby 32
- Little Crosby 5