Aus Postcode Search Script

Require a postcode search script with adding, modifying and deleting postcode. The search result will need to be on the same page as the search field without changing or refreshing the page, which will need to be done in either ajax or javacript. The search results will only show two columns: example below: Enter your Postcode [ ] [search] Postcode | Do we service your area? 3023 | Yes, we service your area. 3030 | No, we do not service your area.