Postcode areas 50XX
- Postcode area 5000
- Postcode area 5001
- Postcode area 5002
- Postcode area 5003
- Postcode area 5004
- Postcode area 5010
- Postcode area 5012
- Postcode area 5020
- Postcode area 5021
- Postcode area 5022
- Postcode area 5024
- Postcode area 5030
- Postcode area 5031
- Postcode area 5032
- Postcode area 5060
- Postcode area 5070
- Postcode area 5080
- Postcode area 5081