Related Clues:
- One kind of city block, briefly
- Monopoly abbr
- Cheer in the colliseum
- New York or New Jersey in D.C
- NYC's Park, for one
- Abbr. before some addressees
- St. crosser, in NYC
- Letters followed by a colon
- "Hail!" to Caesar
- Start of a memo heading
- GPS line
- Business env. letters
- Routing abbr
- Alternative to Ct. or La
- Old greeting for Caesar