PostCode to City and Area using XmlHttpRequest Posted on Monday, February 28th, 2005 at 2:05 pm. Source – n.b. – only enter first three letters of postcode and guess what – does not work on I.E. damn it. Works now Leave a Reply Click here to cancel reply. Name (required) Email (will not be published) (required) Website Comment XHTML: You can use these tags: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong> <pre lang="" line="" escaped="" highlight="">