Postcode areas 68XX
- Postcode area 6800
- Postcode area 6810
- Postcode area 6811
- Postcode area 6812
- Postcode area 6813
- Postcode area 6820
- Postcode area 6821
- Postcode area 6823
- Postcode area 6824
- Postcode area 6830
- Postcode area 6831
- Postcode area 6832
- Postcode area 6833
- Postcode area 6834
- Postcode area 6836
- Postcode area 6838
- Postcode area 6840
- Postcode area 6850
- Postcode area 6851
- Postcode area 6852
- Postcode area 6853
- Postcode area 6856
- Postcode area 6860
- Postcode area 6870
- Postcode area 6880
- Postcode area 6887
- Postcode area 6890