London postal district - Wikipedia
https://en.wikipedia.org/wiki/London_postal_district
By the 1850s, the rapid growth of the metropolitan area meant it became too large to operate efficiently as a single post town. A Post Office inquiry into the problem had been set up in 1837 and a House of Commons committee was initiated in 1843. In 1854 Charles Canning, the Postmaster General, set up a committee at the Post Office in St. Martin's Le Grand to investigate how Lond… Area: 620 km² (241 sq mi)
Area: 620 km² (241 sq mi)
DA: 33 PA: 49 MOZ Rank: 19