Bedford Area

• Bedford: MK40–MK45
• Kempston: MK42
• Bromham: MK43
• Great Barford: MK44

Luton Area

• Luton: LU1–LU4
• Stopsley: LU2
• Leagrave: LU4

Dunstable Area

• Dunstable: LU5–LU6
• Houghton Regis: LU5
• Toddington: LU5

Leighton Buzzard Area

• Leighton Buzzard: LU7
• Heath and Reach: LU7
• Linslade: LU7

Biggleswade Area

• Biggleswade: SG18
• Sandy: SG19
• Potton: SG19

Flitwick and Ampthill Area

• Flitwick: MK45
• Ampthill: MK45
• Maulden: MK45

Shefford Area

• Shefford: SG17
• Henlow: SG16
• Clifton: SG17

Smaller Towns and Villages in Bedfordshire

• Arlesey: SG15
• Stotfold: SG5
• Sharnbrook: MK44
• Oakley: MK43
• Wootton: MK43
• Marston Moretaine: MK43
• Harrold: MK43
• Cranfield: MK43
• Aspley Guise: MK17
• Silsoe: MK45

WC Postcodes (Western Central)

• WC1: Bloomsbury, Gray's Inn (Camden, Islington)
• WC2: Covent Garden, Leicester Square, Holborn, Strand (Camden, Westminster)

EC Postcodes (Eastern Central)

• EC1: Clerkenwell, Finsbury, Barbican (Islington, City of London)
• EC2: Moorgate, Liverpool Street, Shoreditch (City of London, Hackney)
• EC3: Monument, Tower Hill, Aldgate (City of London)
• EC4: Fleet Street, St Paul's, Blackfriars (City of London, Westminster)

W Postcodes (West London)

• W1: Mayfair, Marylebone, Soho, Fitzrovia (Westminster, Camden)

SW Postcodes (South West London)

• SW1: Westminster, Belgravia, Pimlico, Victoria

SE Postcodes (South East London)

• SE1: South Bank, Bermondsey, Borough

London (Wider Area) Postcodes

North London (N Postcodes)

• N1: Islington, Barnsbury, Canonbury
• N2: East Finchley
• N3: Finchley Central
• N4: Finsbury Park, Manor House
• N5: Highbury
• N6: Highgate
• N7: Holloway
• N8: Crouch End, Hornsey
• N9: Edmonton
• N10: Muswell Hill
• N11: New Southgate
• N12: North Finchley, Woodside Park
• N13: Palmers Green
• N14: Southgate
• N15: Seven Sisters
• N16: Stoke Newington
• N17: Tottenham
• N18: Upper Edmonton
• N19: Archway, Tufnell Park
• N20: Whetstone, Totteridge
• N21: Winchmore Hill
• N22: Wood Green

East London (E Postcodes)

• E1: Whitechapel, Stepney, Mile End
• E2: Bethnal Green
• E3: Bow, Bromley-by-Bow
• E4: Chingford, Highams Park
• E5: Clapton
• E6: East Ham
• E7: Forest Gate
• E8: Hackney, Dalston
• E9: Hackney Wick, Homerton
• E10: Leyton
• E11: Leytonstone
• E12: Manor Park
• E13: Plaistow
• E14: Canary Wharf, Poplar, Isle of Dogs
• E15: Stratford, West Ham
• E16: Canning Town, North Woolwich
• E17: Walthamstow
• E18: South Woodford
• E20: Olympic Park

West London (W Postcodes)

• W2: Bayswater, Paddington
• W3: Acton
• W4: Chiswick
• W5: Ealing
• W6: Hammersmith
• W7: Hanwell
• W8: Kensington
• W9: Maida Vale, Warwick Avenue
• W10: Ladbroke Grove, North Kensington
• W11: Notting Hill
• W12: Shepherd's Bush
• W13: West Ealing
• W14: West Kensington

South West London (SW Postcodes)

• SW2: Brixton, Streatham Hill
• SW3: Chelsea
• SW4: Clapham
• SW5: Earl's Court
• SW6: Fulham, Parsons Green
• SW7: South Kensington
• SW8: South Lambeth, Nine Elms
• SW9: Stockwell, Brixton
• SW10: West Brompton, World's End
• SW11: Battersea, Clapham Junction
• SW12: Balham
• SW13: Barnes
• SW14: Mortlake, East Sheen
• SW15: Putney, Roehampton
• SW16: Streatham
• SW17: Tooting
• SW18: Wandsworth, Southfields
• SW19: Wimbledon, Merton
• SW20: Raynes Park

South East London (SE Postcodes)

• SE2: Abbey Wood
• SE3: Blackheath, Westcombe Park
• SE4: Brockley, Crofton Park
• SE5: Camberwell
• SE6: Catford
• SE7: Charlton
• SE8: Deptford
• SE9: Eltham, Mottingham
• SE10: Greenwich
• SE11: Kennington
• SE12: Lee
• SE13: Lewisham
• SE14: New Cross
• SE15: Peckham, Nunhead
• SE16: Rotherhithe, Surrey Quays
• SE17: Walworth
• SE18: Woolwich
• SE19: Upper Norwood
• SE20: Anerley, Penge
• SE21: Dulwich
• SE22: East Dulwich
• SE23: Forest Hill
• SE24: Herne Hill
• SE25: South Norwood
• SE26: Sydenham
• SE27: West Norwood
• SE28: Thamesmead

North West London (NW Postcodes)

• NW1: Camden Town, Regents Park
• NW2: Cricklewood, Dollis Hill
• NW3: Hampstead, Swiss Cottage
• NW4: Hendon
• NW5: Kentish Town
• NW6: Kilburn, Queens Park
• NW7: Mill Hill
• NW8: St John's Wood
• NW9: Colindale, Kingsbury
• NW10: Willesden, Harlesden
• NW11: Golders Green

St Albans Area

• St Albans: AL1–AL4
• Harpenden: AL5
• Wheathampstead: AL4

Watford Area

• Watford: WD17–WD25
• Rickmansworth: WD3
• Croxley Green: WD3
• Bushey: WD23
• Oxhey: WD19

Hemel Hempstead Area

• Hemel Hempstead: HP1–HP3
• Kings Langley: WD4
• Berkhamsted: HP4
• Tring: HP23

Stevenage Area

• Stevenage: SG1–SG2
• Knebworth: SG3
• Codicote: SG4

Hertford Area

• Hertford: SG13–SG14
• Ware: SG12
• Buntingford: SG9

Welwyn Garden City Area

• Welwyn Garden City: AL7–AL8
• Welwyn: AL6

Hitchin Area

• Hitchin: SG4–SG5
• Letchworth Garden City: SG6
• Baldock: SG7

Hatfield Area

• Hatfield: AL9–AL10
• Brookmans Park: AL9

Bishop's Stortford Area

• Bishop's Stortford: CM23
• Sawbridgeworth: CM21

Cheshunt and Broxbourne Area

• Cheshunt: EN8
• Broxbourne: EN10
• Hoddesdon: EN11

Royston Area

• Royston: SG8

Radlett and Surrounding Villages

• Radlett: WD7
• Shenley: WD7

Smaller Villages and Surrounding Areas in Hertfordshire

• Abbots Langley: WD5
• Redbourn: AL3
• Markyate: AL3
• Stanstead Abbotts: SG12
• Cuffley: EN6
• Potters Bar: EN6
• Much Hadham: SG10

Chelmsford Area

• Chelmsford: CM1–CM3
• Writtle: CM1
• Great Baddow: CM2
• Danbury: CM3

Colchester Area

• Colchester: CO1–CO7
• Wivenhoe: CO7
• Tiptree: CO5
• Marks Tey: CO6

Southend-on-Sea Area

• Southend-on-Sea: SS0–SS9
• Leigh-on-Sea: SS9
• Shoeburyness: SS3
• Westcliff-on-Sea: SS0

Basildon Area

• Basildon: SS13–SS16
• Pitsea: SS13
• Laindon: SS15
• Wickford: SS11–SS12

Harlow Area

• Harlow: CM17–CM20
• Old Harlow: CM17

Brentwood Area

• Brentwood: CM13–CM15
• Shenfield: CM15
• Ingatestone: CM4

Braintree Area

• Braintree: CM7–CM8
• Halstead: CO9
• Witham: CM8

Clacton-on-Sea Area

• Clacton-on-Sea: CO15–CO16
• Frinton-on-Sea: CO13
• Walton-on-the-Naze: CO14
• Jaywick: CO15

Epping Area

• Epping: CM16
• Loughton: IG10
• Chigwell: IG7
• Buckhurst Hill: IG9

Maldon Area

• Maldon: CM9
• Burnham-on-Crouch: CM0

Saffron Walden Area

• Saffron Walden: CB10–CB11
• Great Dunmow: CM6

Canvey Island Area

• Canvey Island: SS8
• Benfleet: SS7

Rayleigh and Rochford Area

• Rayleigh: SS6
• Rochford: SS4

Tilbury and Thurrock Area

• Tilbury: RM18
• Grays: RM17, RM20
• Stanford-le-Hope: SS17

Smaller Towns and Villages in Essex

• Thaxted: CM6
• Great Leighs: CM3
• Coggeshall: CO6
• Brightlingsea: CO7
• South Woodham Ferrers: CM3
• Waltham Abbey: EN9
• Ongar: CM5
• Debden: CB11
• Hockley: SS5

Maidstone Area

• Maidstone: ME14–ME17
• Bearsted: ME14
• Headcorn: TN27
• Lenham: ME17

Canterbury Area

• Canterbury: CT1–CT4
• Whitstable: CT5
• Herne Bay: CT6
• Sturry: CT2

Ashford Area

• Ashford: TN23–TN27
• Tenterden: TN30
• Wye: TN25

Dartford Area

• Dartford: DA1–DA2
• Crayford: DA1
• Greenhithe: DA9
• Swanscombe: DA10

Sevenoaks Area

• Sevenoaks: TN13–TN15
• Westerham: TN16
• Edenbridge: TN8

Tunbridge Wells Area

• Royal Tunbridge Wells: TN1–TN4
• Southborough: TN4
• Pembury: TN2
• Paddock Wood: TN12

Tonbridge Area

• Tonbridge: TN9–TN12
• Hildenborough: TN11

Folkestone and Hythe Area

• Folkestone: CT18–CT20
• Hythe: CT21
• Sandgate: CT20

Dover Area

• Dover: CT16–CT17
• Deal: CT14
• Sandwich: CT13

Thanet Area

• Margate: CT9
• Ramsgate: CT11–CT12
• Broadstairs: CT10
• Westgate-on-Sea: CT8

Medway Area (Chatham, Gillingham, Rochester)

• Chatham: ME4–ME5
• Gillingham: ME7–ME8
• Rochester: ME1–ME3
• Rainham: ME8

Gravesend Area

• Gravesend: DA11–DA12
• Northfleet: DA11

Smaller Towns and Villages in Kent

• Aylesford: ME20
• Snodland: ME6
• West Malling: ME19
• East Malling: ME19
• Sittingbourne: ME9–ME10
• Faversham: ME13
• New Romney: TN28
• Lydd: TN29
• Cranbrook: TN17
• Hawkhurst: TN18

Brighton and Hove Area

• Brighton: BN1, BN2, BN41
• Hove: BN3
• Portslade: BN41

Eastbourne Area

• Eastbourne: BN20–BN23
• Willingdon: BN22
• Hampden Park: BN22

Hastings Area

• Hastings: TN34–TN35
• St Leonards-on-Sea: TN37–TN38

Lewes Area

• Lewes: BN7, BN8
• Ringmer: BN8
• Newhaven: BN9
• Peacehaven: BN10
• Seaford: BN25

Uckfield Area

• Uckfield: TN22
• Buxted: TN22
• Maresfield: TN22

Crowborough Area

• Crowborough: TN6
• Rotherfield: TN6

Battle Area

• Battle: TN33
• Robertsbridge: TN32

Rye Area

• Rye: TN31
• Winchelsea: TN36

Smaller Towns and Villages in East Sussex

• Alfriston: BN26
• Polegate: BN26
• Hailsham: BN27
• Heathfield: TN21
• Wadhurst: TN5
• Ticehurst: TN5
• Pevensey: BN24
• Ditchling: BN6
• Rottingdean: BN2
• Glynde: BN8

Chichester Area

• Chichester: PO18–PO20
• Bosham: PO18
• Selsey: PO20
• Midhurst: GU29
• Petworth: GU28

Crawley Area

• Crawley: RH10–RH11
• Gatwick Airport: RH6

Horsham Area

• Horsham: RH12–RH13
• Southwater: RH13
• Billingshurst: RH14

Worthing Area

• Worthing: BN11–BN14
• Goring-by-Sea: BN12
• Findon: BN14

Littlehampton Area

• Littlehampton: BN16–BN17
• Rustington: BN16
• Arundel: BN18

Bognor Regis Area

• Bognor Regis: PO21–PO22
• Aldwick: PO21
• Felpham: PO22

Haywards Heath Area

• Haywards Heath: RH16–RH17
• Lindfield: RH16
• Cuckfield: RH17

East Grinstead Area

• East Grinstead: RH19
• Forest Row: RH18

Burgess Hill Area

• Burgess Hill: RH15

Smaller Towns and Villages in West Sussex

• Pulborough: RH20
• Storrington: RH20
• Henfield: BN5
• Steyning: BN44
• Hassocks: BN6
• Lancing: BN15
• Shoreham-by-Sea: BN43
• Upper Beeding: BN44
• Amberley: BN18
• West Wittering: PO20

Guildford Area

• Guildford: GU1–GU4
• Shalford: GU4
• Ash: GU12
• Godalming: GU7

Woking Area

• Woking: GU21–GU22
• Knaphill: GU21
• West Byfleet: KT14

Epsom and Ewell Area

• Epsom: KT17–KT19
• Ewell: KT17
• Stoneleigh: KT17

Leatherhead Area

• Leatherhead: KT22–KT24
• Fetcham: KT22
• Bookham: KT23

Reigate and Redhill Area

• Reigate: RH2
• Redhill: RH1
• Merstham: RH1
• Horley: RH6

Farnham Area

• Farnham: GU9–GU10
• Hindhead: GU26
• Frensham: GU10

Camberley Area

• Camberley: GU15
• Frimley: GU16
• Bagshot: GU19

Dorking Area

• Dorking: RH4–RH5
• Westcott: RH4
• Brockham: RH3

Walton-on-Thames and Weybridge Area

• Walton-on-Thames: KT12
• Weybridge: KT13
• Hersham: KT12

Esher and Cobham Area

• Esher: KT10
• Cobham: KT11
• Claygate: KT10

Staines and Egham Area

• Staines-upon-Thames: TW18–TW19
• Egham: TW20
• Englefield Green: TW20

Smaller Towns and Villages in Surrey

• Chertsey: KT16
• Addlestone: KT15
• Byfleet: KT14
• Oxshott: KT22
• Virginia Water: GU25
• Windlesham: GU20
• Chobham: GU24
• Cranleigh: GU6
• Lingfield: RH7
• Warlingham: CR6
• Caterham: CR3
• Oxted: RH8

Reading Area

• Reading: RG1–RG2, RG4, RG6, RG30–RG31
• Tilehurst: RG30–RG31
• Caversham: RG4
• Earley: RG6

Slough Area

• Slough: SL1–SL3
• Langley: SL3
• Colnbrook: SL3

Windsor and Maidenhead Area

• Windsor: SL4
• Maidenhead: SL6
• Ascot: SL5
• Bray: SL6

Newbury Area

• Newbury: RG14, RG20
• Thatcham: RG18–RG19
• Hungerford: RG17

Bracknell Area

• Bracknell: RG12
• Binfield: RG42
• Warfield: RG42

Wokingham Area

• Wokingham: RG40–RG41
• Finchampstead: RG40
• Winnersh: RG41

West Berkshire Villages

• Pangbourne: RG8
• Theale: RG7
• Aldermaston: RG7
• Burghfield: RG30

Smaller Towns and Villages in Berkshire

• Eton: SL4
• Cookham: SL6
• Datchet: SL3
• Sunningdale: SL5
• Mortimer: RG7
• Kintbury: RG17
• Lambourn: RG17
• Crowthorne: RG45
• Twyford: RG10
• Sandhurst: GU47

Milton Keynes Area

• Milton Keynes: MK1–MK19
• Bletchley: MK1, MK2
• Stony Stratford: MK11
• Newport Pagnell: MK16

Aylesbury Area

• Aylesbury: HP19–HP21
• Wendover: HP22
• Stone: HP17
• Princes Risborough: HP27

High Wycombe Area

• High Wycombe: HP10–HP15
• Marlow: SL7
• Bourne End: SL8
• Beaconsfield: HP9

Amersham Area

• Amersham: HP6
• Chesham: HP5
• Great Missenden: HP16
• Little Chalfont: HP6

Chesham and the Chalfonts Area

• Chesham: HP5
• Chalfont St Peter: SL9
• Chalfont St Giles: HP8
• Gerrards Cross: SL9

Buckingham Area

• Buckingham: MK18
• Winslow: MK18

Marlow Area

• Marlow: SL7
• Cookham: SL6
• Bourne End: SL8

Waddesdon Area

• Waddesdon: HP18
• Quainton: HP22

Smaller Towns and Villages in Buckinghamshire

• Olney: MK46
• Winslow: MK18
• Buckingham: MK18
• Hazlemere: HP15
• Flackwell Heath: HP10
• Thame: OX9
• Ivinghoe: LU7
• Linslade: LU7
• Beaconsfield: HP9
• Wendover: HP22
• Princes Risborough: HP27

Oxford Area

• Oxford: OX1–OX4
• Headington: OX3
• Cowley: OX4
• Summertown: OX2
• Marston: OX3
• Abingdon: OX14
• Botley: OX2

Banbury Area

• Banbury: OX16–OX17
• Bicester: OX26
• Chipping Norton: OX7
• Adderbury: OX17

Bicester Area

• Bicester: OX25
• Kidlington: OX5
• Yarnton: OX5
• Kirtlington: OX5

Didcot Area

• Didcot: OX11
• Wallingford: OX10
• Wantage: OX12
• Grove: OX12

Wallingford Area

• Wallingford: OX10
• Berinsfield: OX10
• Cholsey: OX10

Abingdon Area

• Abingdon: OX14
• Radley: OX14
• Drayton: OX14
• Marcham: OX13

Witney Area

• Witney: OX28–OX29
• Long Hanborough: OX29
• Eynsham: OX29

Henley-on-Thames Area

• Henley-on-Thames: RG9
• Marlow: SL7
• Nuffield: OX49

Thame Area

• Thame: OX9
• Wheatley: OX33

Abingdon and Oxford South Area

• Abingdon: OX14
• Wantage: OX12
• Grove: OX12

Smaller Towns and Villages in Oxfordshire

• Chipping Norton: OX7
• Faringdon: SN7
• Burford: OX18
• Charlbury: OX7
• Henley-on-Thames: RG9
• Long Compton: CV36
• Stanton Harcourt: OX29
• Kidlington: OX5
• Deddington: OX15
• Steeple Aston: OX25

Southampton Area

• Southampton: SO14–SO19
• Bitterne: SO18
• Eastleigh: SO50
• Shirley: SO15
• Hedge End: SO30

Portsmouth Area

• Portsmouth: PO1–PO6
• Southsea: PO5
• Cosham: PO6
• Fareham: PO14–PO16
• Havant: PO9

Basingstoke Area

• Basingstoke: RG21–RG22
• Tadley: RG26
• Bramley: RG26

Winchester Area

• Winchester: SO22–SO23
• Alresford: SO24
• Chandlers Ford: SO53
• Kings Worthy: SO23

Andover Area

• Andover: SP10–SP11
• Whitchurch: RG28
• Ludgershall: SP11

Farnborough Area

• Farnborough: GU14
• Aldershot: GU11
• Fleet: GU51

Havant and Waterlooville Area

• Waterlooville: PO7
• Havant: PO9
• Rowlands Castle: PO9

Lymington Area

• Lymington: SO41
• New Milton: BH25
• Sway: SO41

New Forest Area

• Lyndhurst: SO43
• Fordingbridge: SP6
• Ringwood: BH24

Eastleigh Area

• Eastleigh: SO50
• Chandler's Ford: SO53
• Hedge End: SO30

Aldershot Area

• Aldershot: GU11
• Farnborough: GU14
• Farnham: GU9

Smaller Towns and Villages in Hampshire

• Liphook: GU30
• Hook: RG27
• Petersfield: GU31
• Romsey: SO51
• Alton: GU34
• Stubbington: PO14
• Bishop's Waltham: SO32
• Highcliffe: BH23
• Totton: SO40
• Hurstbourne Tarrant: SP11

Salisbury Area

• Salisbury: SP1–SP5
• Amesbury: SP4
• Wilton: SP2
• Fordingbridge: SP6

Swindon Area

• Swindon: SN1–SN5
• Wroughton: SN4
• Highworth: SN6
• Royal Wootton Bassett: SN4

Chippenham Area

• Chippenham: SN14
• Corsham: SN13
• Calne: SN11

Trowbridge Area

• Trowbridge: BA14
• Melksham: SN12
• Westbury: BA13

Devizes Area

• Devizes: SN10
• Pewsey: SN9
• Marlborough: SN8

Warminster Area

• Warminster: BA12
• Frome: BA11
• Norton St. Philip: BA2

Lacock Area

• Lacock: SN15
• Bowden Hill: SN15

Marlborough Area

• Marlborough: SN8
• Ramsbury: SN8
• Great Bedwyn: SN8

Royal Wootton Bassett Area

• Royal Wootton Bassett: SN4
• Lydiard Millicent: SN5
• Purton: SN5

Smaller Towns and Villages in Wiltshire

• Bradford-on-Avon: BA15
• Broughton Gifford: SN12
• Corsham: SN13
• Calne: SN11
• Cricklade: SN6
• Shrewton: SP3
• Winterbourne Bassett: SN4
• Chippenham: SN14
• Hilperton: BA14
• Salisbury Plain: SP3