For Windows Vista and Windows 7 follow these steps: 1  Click Start, click All Programs, click Accessories, right-click Notepad, and then click Run as administrator. 2  Open the Hosts file or the Lmhosts file, make the necessary changes, and then click Save on the Edit menu.
Barcelona, Spain does not have a zip code since the zip code is only used in the U.S. and its territories. The postal code for Barcelona (city) is 08006 The province of Barcelona's zone postal codes are:
The lowest ZIP Code is in Holtsville, New York (00501, a ZIP Code exclusively for the U.S. Internal Revenue Service center there). Other low ZIP Codes are 00601 for Adjuntas, Puerto Rico; 01001 for Agawam, Massachusetts, and the zip codes 01002 and 01003 for Amherst, Massachusetts; 01002 is used for mail in town, while 01003 is reserved for the University of Massachusetts Amherst.