Areas Covered

North London
N2 - East Finchley, N3 - Finchley Central, N6 - Highgate, N10 - Muswell Hill, N11 - Friern Barnet, New Southgate, N12 - North Finchley, Woodside Park, N14 - Southgate, N20 - Whetstone, Totteridge, N21 - Winchmore Hill

North West London
NW4 - Hendon, Brent Cross, NW7 - Mill Hill, NW9 - Hendon

Harrow
HA1-3 – Harrow, HA4 – Ruislip, HA5 – Pinner, HA6 – Northwood, HA7 – Stanmore, HA8 – Edgware

Enfield
EN1-3 – Enfield, EN4-5 Barnet, EN6 – Potters Bar

Hertfordshire
AL1 to 4 – St Albans,AL5 – Harpenden, AL6 – Welwyn, AL7 to 8 – Welwyn Garden City, AL9 -10 – Hatfield, WD3 – Rickmansworth, WD4 – Kings Langley, WD5 – Abbots Langley, WD6 – Borehamwood, WD7 – Radlett, WD17 – 19 – Watford, WD23 – Bushey, WD24-25 – Watford HP1-4 Hemel Hempstead

Bedfordshire
LU1-6 Luton