Im hoping this will be a 2 second job.
I have a location search on my site. It brings up results based on pre-set post-codes, but if a postcode outside the area is used, then the sitr brings up all restaurants.
So basically i want a block, so if the postcode isnt on the list, the customer will just get a error page.
I have done many website searches before and I believe that this will be like you said, a 10 minute project. I do need more information, so please send me message and then I can start right away. Thanks, Caleb