[addresses] config for phrases around postcodes like CP in Spanish

scripts/geodata/addresses/postcodes.py

@@ -0,0 +1,11 @@
+from geodata.addresses.numbering import NumberedComponent
+from geodata.encoding import safe_decode
+
+
+class PostCode(NumberedComponent):
+    @classmethod
+    def phrase(cls, postcode, language, country=None):
+        if postcode is None:
+            return None
+        return cls.numeric_phrase('postcodes.alphanumeric', postcode, language,
+                                  dictionaries=['postcodes'], country=country)