| Answer | Crossword Clue |
|---|---|
| USPS | Mail delivery org. |
| USPS | Snail-mail delivery org. |
| POBOX | Mail delivery rental |
| USPS | Mail delivery gp. |
| ZIPS | Mail delivery aids |
| ZONE | Mail-delivery division |
| RFD | Outlying mail delivery svc. |
| HANDLINGCHARGES | Mail-order delivery fees |
| RTES | Mail delivery paths: Abbr. |
| POST | Mail delivery, to Brits |
| INCOMING | Like e-mail delivery |
| PONYEXPRESS | 19th-century mail delivery service |
| RFDS | Rural mail delivery services, once |
