Enter a clue or pattern or both:
The Clue
Country-mail rtes. (4 letter answer)
The Answer
RFDS
Tags
Notes
The answer RFDS is seen occasionally, appearing about once every 850 puzzles.
Related Clues
Mail rtes.
P.O. routes
Postal abbrs.
Some rtes.
Certain postal addresses
Country addresses: Abbr.
Country addresses, for short
Country mail rtes.
Some postal rtes.
Country mail systems, for short
Old U.S.P.S. routing codes
Some mail designations: Abbr.
Some mail services: Abbr.