| 2024-07-25 | Org. that delivers |
| 2024-02-20 | Mail inits. since 1971 |
| 2023-11-05 | Delivery org. |
| 2023-10-15 | Org. with "Informed Delivery" emails |
| 2023-09-03 | Org. with a Click-N-Ship option |
| 2023-04-11 | "Neither rain nor snow …" org. |
| 2023-02-07 | Forever stamp letters |
| 2022-07-02 | Click-N-Ship org. |
| 2021-05-09 | Org. that delivers |
| 2020-05-04 | Mailing letters? |
| 2020-03-21 | "We deliver for you" sloganeer, for short |
| 2019-05-10 | Org. with a Change My Address portal on its website |
| 2018-10-04 | "We deliver for you" org. |
| 2017-05-14 | Org. that delivers |
| 2014-10-09 | Offerer of package deals, in brief |
| 2013-05-06 | Mail letters? |
| 2013-03-18 | Org. with stamps |
| 2012-12-30 | Mail letters |
| 2012-10-23 | Org. suggested by the starts of 17-, 31-, 41- and 62-Across |
| 2011-07-11 | Mail letters |
| 2011-04-12 | Inits. on a mail truck |
| 2010-11-14 | Census form deliverer: Abbr. |
| 2009-08-15 | Org. that trademarked "Pony Express" in 2006 |
| 2008-08-18 | Mail carrier's grp. |
| 2007-12-17 | Letter carriers' grp. |
| 2006-10-29 | Mail letters |
| 2006-07-18 | One way to send pkgs. |
| 2005-12-13 | "We deliver for you" sloganeer: Abbr. |
| 2005-03-13 | Deliverer of many pkgs. |
| 2004-04-06 | Letter carriers' org. |
| 2003-11-11 | Org. whose workers may be left carrying the bag |
| 1999-08-17 | Mail org. |
| 1999-03-14 | Its symbol is an eagle: Abbr. |