Districts in the N area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| N1 | London | Islington | 10 | 2,289 |
| N1C | London | Camden | 1 | 82 |
| N1P | Islington | Islington | 2 | 655 |
| N2 | Finchley | Barnet | 4 | 546 |
| N3 | Finchley | Barnet | 4 | 630 |
| N4 | London | Haringey | 5 | 871 |
| N5 | London | Islington | 3 | 414 |
| N6 | London | Haringey | 4 | 494 |
| N7 | London | Islington | 6 | 902 |
| N8 | London | Haringey | 5 | 700 |
| N9 | Edmonton | Enfield | 5 | 876 |
| N10 | London | Haringey | 4 | 510 |
| N11 | London | Barnet | 4 | 611 |
| N12 | Finchley | Barnet | 5 | 698 |
| N13 | London | Enfield | 4 | 528 |
| N14 | Southgate | Enfield | 5 | 690 |
| N15 | London | Haringey | 5 | 714 |
| N16 | London | Hackney | 7 | 1,124 |
| N17 | London | Haringey | 6 | 1,128 |
| N18 | Edmonton | Enfield | 4 | 548 |
| N19 | London | Islington | 4 | 640 |
| N20 | London | Barnet | 4 | 536 |
| N21 | London | Enfield | 4 | 558 |
| N22 | Wood Green | Haringey | 5 | 719 |
| N81 | Hornsey | Haringey | 1 | 3 |