Postal area NN
- NN1 1
- NN1 2
- NN1 3
- NN1 4
- NN1 5
- NN10 0
- NN10 1
- NN10 6
- NN10 8
- NN10 9
- NN11 0
- NN11 1
- NN11 2
- NN11 3
- NN11 4
- NN11 6
- NN11 7
- NN11 8
- NN11 9
- NN12 6
- NN12 7
- NN12 8
- NN13 5
- NN13 6
- NN13 7
- NN14 1
- NN14 2
- NN14 3
- NN14 4
- NN14 6
- NN15 5
- NN15 6
- NN15 7
- NN16 0
- NN16 6
- NN16 8
- NN16 9
- NN17 1
- NN17 2
- NN17 3
- NN17 4
- NN17 5
- NN17 9
- NN18 0
- NN18 8
- NN18 9
- NN2 1
- NN2 6
- NN2 7
- NN2 8
- NN29 7
- NN3 0
- NN3 2
- NN3 3
- NN3 5
- NN3 6
- NN3 7
- NN3 8
- NN3 9
- NN4 0
- NN4 4
- NN4 5
- NN4 6
- NN4 7
- NN4 8
- NN4 9
- NN5 4
- NN5 5
- NN5 6
- NN5 7
- NN5 9
- NN6 0
- NN6 6
- NN6 7
- NN6 8
- NN6 9
- NN7 1
- NN7 2
- NN7 3
- NN7 4
- NN7 9
- NN8 1
- NN8 2
- NN8 3
- NN8 4
- NN8 5
- NN8 6
- NN8 9
- NN9 5
- NN9 6