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E14 - Poplar, Isle of Dogs, Limehouse, Canary Wharf, Blackwall, Cubitt Town
E15 - Stratford, West Ham, Maryland, Leyton, Leytonstone, Temple Mills, Hackney Wick, Bow
E16 - Silvertown, North Woolwich, Canning Town, Custom House, London City Airport
E1W - Wapping
E20 - Olympic Park, Stratford
E77 - Whitechapel
E98 - Non-geographic
EC1A - St Bartholomew's Hospital
EC1M - Clerkenwell, Farringdon
EC1N - Hatton Garden
EC1P - Non-geographic
EC1R - Finsbury, Finsbury Estate
EC1V - Finsbury, Moorfields Eye Hospital
EC1Y - St Luke's, Bunhill Fields
EC2A - Shoreditch
EC2M - Broadgate, Liverpool Street
EC2N - Old Broad Street, Tower 42
EC2P - Non-geographic
EC2R - Bank of England
EC2V - Guildhall
EC2Y - Barbican
EC3A - St Mary Axe, Aldgate
EC3M - Leadenhall, Lloyd's of London, Fenchurch Street
EC3N - Tower Hill, Tower of London
EC3P - Non-geographic
EC3R - Monument, Billingsgate
EC3V - Royal Exchange, Lombard Street
EC4A - Fetter Lane
EC4M - St Paul's
EC4N - Mansion House
EC4P - Non-geographic
EC4R - Cannon Street
EC4V - Blackfriars
EC4Y - Temple
EC50 - Non-geographic
L28 - Stockbridge Village
M33 - Sale, Brooklands
N15 - South Tottenham, Harringay, West Green, Seven Sisters, Stamford Hill
N16 - Stoke Newington, Stamford Hill, Shacklewell, Dalston, Newington Green
N1C - Kings Cross
N1P - Non-geographic
N81 - Non-geographic
NW1 - Euston, Camden Town, Somers Town, Primrose Hill, Gospel Oak, Lisson Grove
NW1W - Non-geographic, Euston
NW26 - Non-geographic
SE1 - Bankside, South Bank, Southwark, Bermondsey, Vauxhall
SE11 - Kennington, Vauxhall
SE14 - New Cross, New Cross Gate
SE15 - Nunhead, Peckham
SE16 - Rotherhithe, Bermondsey, Surrey Quays
SE17 - Walworth, Newington
SE1P - Non-geographic
SE5 - Camberwell, Denmark Hill, Southampton Way Estate, Peckham
SE8 - Deptford, Evelyn
SW1A - Whitehall, Buckingham Palace
SW1H - Buckingham Gate, Victoria St, Birdcage Walk
SW1P - Victoria Station, the Houses of Parliament, Vauxhall Bridge, Pimlico
SW1Y - St. James's
W1A - Non-geographic
W1B - Portland Street, Regent Street
W1C - Oxford Street (west)
W1D - Soho (south east), Chinatown, Soho Square
W1F - Soho (north west)
W1G - Harley Street
W1J - Mayfair (south), Piccadilly, Royal Academy
W1K - Mayfair (north), Grosvenor Square
W1S - Hanover Square, Savile Row
W1T - Fitzrovia, Tottenham Court Road
W1U - Marylebone
W1W - Great Portland Street, Fitzrovia
WC1A - New Oxford Street
WC1B - Bloomsbury, British Museum
WC1E - University College London
WC1H - St Pancras
WC1N - Great Ormond Street Hospital
WC1R - Gray's Inn
WC1V - High Holborn
WC1X - Kings Cross, Finsbury (west)
WC2A - Lincoln's Inn Fields, Royal Courts of Justice
WC2B - Drury Lane, Aldwych
WC2E - Covent Garden
WC2H - Leicester Square
WC2N - Charing Cross
WC2R - Somerset House