How To Write Colombia Address . In certain regions, some addresses have a direction after the street name. In colombia the address format uses a numeric format based on calles which increase the number from south to north and carreras which increase the number from east to west. Why you should meet Colombian people Colombia Country Brand from www.colombia.co Always always always get a tracking number! Since 2009, colombian territory is divided into postal zones, each of which has a postal code. Even if these differences seem small, they can play a big role in whether or not your mail makes it to the intended recipient.