| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Beddington | CR0 |
| Postal/ZIP Codes in Belmont | SM2 |
| Postal/ZIP Codes in Carshalton | SM5 |
| Postal/ZIP Codes in Cheam | SM1, SM2, SM3 |
| Postal/ZIP Codes in Hackbridge | SM6 7EG, SM6 7ER, SM6 … |
| Postal/ZIP Codes in Mitcham Junction | CR4 |
| Postal/ZIP Codes in Sutton | SM1, SM2, SM3 |
| Postal/ZIP Codes in Wallington | SM6 |
| Postal/ZIP Codes in Worcester Park | KT4 |