Districts in SM postcode area

List of disctricts in SM postcode area (Sutton). Found 7 district postal codes:

SM1 postcodes, Sutton
SM2 postcodes, Sutton
SM3 postcodes, Sutton
SM4 postcodes, Morden
SM5 postcodes, Carshalton
SM6 postcodes, Wallington
SM7 postcodes, Banstead