The SW1A 1 London (Central London) Postcode Sector
The SW1A 1 postcode sector is within the county of Greater London in the Greater London area of England..
SW1A 1 is a postcode sector within the SW1A postcode district which is within the SW London - SW postcode area.
The Royal Mail delivery office for the SW1A 1 postal sector is the .
The area of the SW1A 1 postcode sector is 0.26 square miles which is 0.67 square kilometres or 165.64 square acres.
Map of the SW1A 1 Postcode Sector
Explore the sw1a 1 postcode sector by using our free interactive map.