| Postcode | Coverage Area |
| EN4 | Hadley Wood,Cockfosters,East Barnet,New Barnet |
| EN5 | High Barnet,Arkley |
| HA8 | Edgware,Burnt Oak,Canons Park,Queensbury |
| N2 | East Finchley District:east Finchley,Fortis Green,Hampstead Garden Suburb(Part) |
| N3 | Finchley District:finchley,Church End,Finchley Central |
| N10 | Muswell Hill District:muswell Hill |
| N11 | New Southgate District:new Southgate,Friern Barnet,Bounds Green,Arnos Grove(Part) |
| N12 | North Finchley District:north Finchley,Woodside Park |
| N14 | Southgate District:southgate,Oakwood,Arnos Grove(Part) |
| N20 | Whetstone District:whetstone,Totteridge,Oakleigh Park |
| NW2 | Cricklewood District:cricklewood,Dollis Hill,Childs Hill,Golders Green(Part),Brent Cross(Part),Willesden(North),Neasden(North) |
| NW3 | Hampstead District:hampstead,Belsize Park,Frognal,Childs Hill(East),South Hampstead(North),Swiss Cottage(East),Primrose Hill(North),Chalk Farm(West),Gospel Oak |
| NW4 | Hendon District:hendon,Brent Cross(Part) |
| NW7 | Mill Hill District:mill Hill,Arkley(Part),Edgware(Part) |
| NW9 | The Hyde District:the Hyde,Colindale,Kingsbury,West Hendon,Wembley Park(Part),Queensbury(Part) |
| NW11 | Golders Green District:golders Green,Temple Fortune,Hampstead Garden Suburb(West),Hendon(Part),Brent Cross(Part) |