SW1A 1AA

Areas

  1. SW

    ID 100, Approximate postcode area (APA), England

  2. SW1A

    ID 2627, Approximate postcode district (APD), England

  3. SW1A 1

    ID 12184, Approximate postcode sector (APS), England

  4. SW1A 1AA

    ID 1447623, Approximate postcode unit (APU), England