Postal area CB
- CB1 0
- CB1 1
- CB1 2
- CB1 3
- CB1 7
- CB1 8
- CB1 9
- CB10 1
- CB10 2
- CB11 3
- CB11 4
- CB2 0
- CB2 1
- CB2 3
- CB2 8
- CB2 9
- CB21 4
- CB21 5
- CB22 3
- CB22 4
- CB22 5
- CB22 6
- CB22 7
- CB23 1
- CB23 2
- CB23 3
- CB23 4
- CB23 6
- CB23 7
- CB23 8
- CB24 3
- CB24 4
- CB24 5
- CB24 6
- CB24 8
- CB24 9
- CB25 0
- CB25 9
- CB3 0
- CB3 9
- CB4 0
- CB4 1
- CB4 2
- CB4 3
- CB5 8
- CB6 1
- CB6 2
- CB6 3
- CB7 4
- CB7 5
- CB7 9
- CB8 0
- CB8 1
- CB8 7
- CB8 8
- CB8 9
- CB9 0
- CB9 7
- CB9 8
- CB9 9