Adding new postcodes to database:
admin > postage > postcode ranges > add new
Redback uses the 'Outward Postcode' section only - eg,
given the postcoded G1 2AB the outward part is the section before the space - in this case G1
once the postcode is entered, click SAVE
Assigning postcodes to shipping sub-zones
admin > postage > shipping sub-zone
select the subzone you wish to modify
to add a postcode, click in the seletor box at the bottom, and scroll, or type the postcode.
select the postcode from the list
once all postcodes have been added, click SAVE
Removing a postcode from a shipping sub-zone
admin > postage > shipping sub-zone
select the subzone you wish to modify
click the [X] on the postcode you wish to remove
click SAVE