1. Area served by a particular postbox

2. Letters and packages sent through the postbox

3. Process of arranging mail by destination

4. Another term often used for a postbox

5. The compartment of the postbox where outgoing mail is stored

6. Relating to the service of sending mail

7. The compartment of the postbox where incoming mail is stored

8. Narrow opening in a postbox to drop mail into

9. To gather mail from the postbox

10. To unlock and access the postbox

11. Process of getting mail to its final destination

12. Color commonly associated with postboxes

13. Secures the postbox from unauthorized access

14. Position of the flag indicating outgoing mail

14. A raised indicator used to signal outgoing mail

15. Flat, rectangular piece of mail often used for greetings

16. Information indicating where mail is to be delivered

17. Common material used in postbox construction

18. To deposit mail into a postbox

19. Larger item sent through the postbox

20. Location often found near postboxes

21. Small adhesive used to pay for postage

22. Location where some postboxes are mounted

23. Protective cover used to enclose mail