RFDS
| Date | Clue |
|---|---|
| 2015-04-10 | Country addresses: Abbr. |
| 2014-11-28 | Country addresses, for short |
| 2011-07-03 | Old U.S.P.S. routing codes |
| 2011-03-09 | Country addresses: Abbr. |
| 2010-08-17 | Country mail rtes. |
| 2009-12-07 | Country mail rtes. |
| 2008-03-06 | Country addresses, for short |
| 2006-12-22 | Some mail services: Abbr. |
| 2001-03-08 | Some mail designations: Abbr. |
| 1995-12-20 | Some rtes. |
| 1995-06-13 | Country mail systems, for short |