Well first you'll have to make an account.
Go to DaveProxy - Your Free Web Proxy / UK Based Proxy Server (a great UK proxy) and enter this URL:
Enter the information and when asked for a postal code use one of these:
After the account was created just download spotify,eneter account details and start listening to music.Code:SE10AA SE17 2DJ W1283 W12218 W12247 W1253 W12388 W12436 W1223 W1263 W1223 W1219 W127 W1213
+1@anon He gave me the postal codes