You may check this out about CAM.
http://www.sap-advisor.com/abap-coding/how-sap-central-address-management-cam-works-in-smartforms/
I do not think you will be able to change 33355 to 33333 as this number should be handled internally like GUID.
In case you are working on development, you can get the address by
bapi_bupa_addresses_get
bapi_bupa_address_get_numbers
Spencer