| Answer | Crossword Clue |
|---|---|
| POBOXES | U.S. mail holders |
| CRS | Holders of i.o.u.'s |
| BLUEBOOK | Official list of U. S. office-holders. |
| GPO | U.S. mail center |
| POSTAL | Of the U.S. Mail |
| CERT | Like some U.S. mail |
| RTE | U.S. mail carrier's beat |
| POSTMASTER | U. S. mail V.I.P. |
| POB | U.S.mail drop-off pt., sometimes |
