The BT postcode area , also known as the LOCATION@1 postcode area , Royal Mail , Address Management Guide , -LRB- NUMBER@1 -RRB- covers LOCATION@2 and was the last part of the LOCATION@3 to be coded , between NUMBER@2 and NUMBER@3 .

LOCATION@2 was the last part of the LOCATION@3 to get post codes . The BT postcode area was made between NUMBER@2 and NUMBER@3 .
