| Answer | Crossword Clue |
|---|---|
| RFD | Old postal letters |
Postal letters | |
| RFD | Postal letters |
| ENCL | Postal letters? |
| RFD | Postal Service letters |
| USA | Letters on all new Postal Service stamps |
| ALBANY | Capital whose last two letters are its state's postal abbreviation |
| HILO | City whose first two letters are its state's postal abbreviation |
| ONE | Number of states whose last two letters are its own postal abbreviation |
