Possible Questions:
- Zilch
- Verve
- Energy
- Get-up-and-go
- Pizazz
- Kind of code
- Hurry
- Zest
- Goose egg
- Nada
- Speed
- Flavor
- Pep
- Fasten
- Vim
- Nil
- Dart
- ___ code
- Move quickly
- Kind of gun
- Élan
- Nothing at all
- Squat
- Spice
- Make haste
- Move swiftly
- Type of code
- Diddly-squat
- Nothin'
- Go fast
- Hurry along
- Speed along
- Code word?
- "That's enough out of you!"
- Fasten, in a way
- Address part
- None at all
- Close, as a windbreaker
- Postal acronym
- Letter number
- Address ender
- The White House's is 20500
- Five- or nine-digit number
- Compress a computer file
- Speed (by)
- Kind of code or drive
- Jack squat
- Go speedily
- Fuzzy environments
- Fly (by)
- Fasten in a way
- Compress, as a file
- A code in the head?
- 90210, e.g.
- "___-A-Dee-Doo-Dah"
- ___ drive
- What a lazybones lacks
- Vim; vigor
- USPS acronym
- State follower
- Starving artist's net worth, slangily
- Shrink computer files
- Scoot along
- Rush (along)
- Postal code
- Number after many a state postal abbr.
- Nine-digit sequence
- Nine-digit number, maybe
- Move with vigor
- Mailing code
- Mail aid
- Kind of code or gun
- Go with haste
- Geographic indicator, briefly
- Five-digit postal number, informally
- Five-digit number on an envelope
- Fasten, with "up"
- Fasten, as a ski jacket
- Each of the numbers in this puzzle's theme
- Do (up), as a fly
- Compressed file format
- Compress, as a computer file
- Code or gun
- Code on a letter
- City, state, ___
- City and state follower
- Address ending, informally
- 12345, in Schenectady, N.Y.
- "___ your lip!"
- ___ code (number on a letter)
- ___ + 4