
Malcolm W
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SE1 1JR is the post code, which is the nearest thing to a zip code.
Unlike US codes, British post codes identify an address to within a few homes. So in your example, SE1 1JR is _probably_ unique to Lyon House, and you could identify the place with just the code (like when you give people your zip code and they pull up the city and state).
So although I don't recommend trying, you could mail something using just "Lyon House, SE1 1JR", or even "166-166 SE1 1JR" and the British post office could identify where you wanted to send it!.
More gorey details: the first letters identify the city, with London getting the compass points (N, S, E, W, NE, SW, NW, SE, plus WC and EC). Other cities get abbreviations, such as SO for Southampton, OX for Oxford, CA for Carlisle). Generally, with the first number it covers roughly the same sort of land as a US zip code.
Random factoid: outside a few central London codes, the numbers are assigned alphabetically, not geographically, so SE3 and SE4 may be nowhere near each other, but refer instead to places with names that are close alphabetically! |