![The General Post Office in St. Martin's Le Grand (later known as GPO East) was the main post office for London between 1829 and 1910, the headquarters of the General Post Office The General Post Office in St. Martin's Le Grand (later known as GPO East) was the main post office for London between 1829 and 1910, the headquarters of the General Post Office](https://c8.alamy.com/comp/2K094WC/the-general-post-office-in-st-martins-le-grand-later-known-as-gpo-east-was-the-main-post-office-for-london-between-1829-and-1910-the-headquarters-of-the-general-post-office-of-the-united-kingdom-of-great-britain-and-ireland-and-englands-first-purpose-built-post-office-it-was-demolished-in-1912-2K094WC.jpg)
The General Post Office in St. Martin's Le Grand (later known as GPO East) was the main post office for London between 1829 and 1910, the headquarters of the General Post Office
![B/W print; The General Post Office, St Martin's-le-Grand: A view taken in 1870 by London Stereoscopic and Photographic Company, 1870 | London Transport Museum B/W print; The General Post Office, St Martin's-le-Grand: A view taken in 1870 by London Stereoscopic and Photographic Company, 1870 | London Transport Museum](https://www.ltmuseum.co.uk/system/files/styles/collection_item_component_600_px_wide/private/collection_item/991362.jpg?itok=U1vv8pQG)
B/W print; The General Post Office, St Martin's-le-Grand: A view taken in 1870 by London Stereoscopic and Photographic Company, 1870 | London Transport Museum
![File:Former General Post Office Building, King Edward Street, City of London - geograph.org.uk - 1172491.jpg - Wikipedia File:Former General Post Office Building, King Edward Street, City of London - geograph.org.uk - 1172491.jpg - Wikipedia](https://upload.wikimedia.org/wikipedia/commons/9/98/Former_General_Post_Office_Building%2C_King_Edward_Street%2C_City_of_London_-_geograph.org.uk_-_1172491.jpg)
File:Former General Post Office Building, King Edward Street, City of London - geograph.org.uk - 1172491.jpg - Wikipedia
![The General Post Office, 1880 high quality steel engraving of the main post office for London between 1829 and 1910, the HQ of the GPO of the UK, and England's first purpose-built The General Post Office, 1880 high quality steel engraving of the main post office for London between 1829 and 1910, the HQ of the GPO of the UK, and England's first purpose-built](https://c8.alamy.com/comp/PMFGC3/the-general-post-office-1880-high-quality-steel-engraving-of-the-main-post-office-for-london-between-1829-and-1910-the-hq-of-the-gpo-of-the-uk-and-englands-first-purpose-built-post-office-completed-in-1829-to-designs-by-robert-smirke-PMFGC3.jpg)
The General Post Office, 1880 high quality steel engraving of the main post office for London between 1829 and 1910, the HQ of the GPO of the UK, and England's first purpose-built
![King Edward Buildings (former General Post Office Headquarters) now Merrill Lynch | Geometry & Silence King Edward Buildings (former General Post Office Headquarters) now Merrill Lynch | Geometry & Silence](https://quintinlake.files.wordpress.com/2010/10/general-post-office-buildings-1.jpg?w=510)