ZIP

• ___ + 4

• ___ code

• ___ code (number on a letter)

• ___ code (postal aid)

• ___ code growth plan (part of The Times's expansion program)

• ___ drive

• ___-A-Dee-Doo-Dah

• That's enough out of you!

• 12345, in Schenectady, N.Y.

• 20500, for the White House

• 24401 or 29340

• 90210, for one

• Address ender

• Address ending, informally

• Address part

• City, state, ___

• Close a jacket

• Close a jacket, perhaps

• Close, as a fly

• Close, as a windbreaker

• Code often following city and state

• Code type

• Code word

• Compress a computer file

• Compress a file, perhaps

• Compress, as a computer file

• Compress, as a data file

• Compress, in computerese

• Compressed file format

• Dart

• Diddly-squat

• Do (up), as a fly

• Each of the numbers in this puzzle's theme

• Elan

• Energy

• Energy: Colloq.

• Envelope code

• Fast speed

• Fasten, as a ski jacket

• Fasten, in a way

• Five- or nine- digit code

• Five- or nine-digit number

• Five-digit code, for short

• Five-digit number on an envelope

• Five-digit postal code, informally

• Five-digit postal number, informally

• Flavor

• Get up and go

• Get-up-and-go

• Go lickety-split

• Go quickly

• Go speedily

• Goose egg

• Gusto

• Hightail it

• It follows a city and state

• Jack squat

• Kind of code

• Kind of code or car

• Kind of code or drive

• Kind of code or gun

• Kind of gun

• Kind of line or code

• Letter number

• Mail aid

• Move quickly

• Move swiftly

• Nada

• Nil

• Nil, nothing

• Nine-digit number, maybe

• Nine-digit sequence

• None at all

• Not a dang thing

• Nothin'

• Nothing at all

• Number after many a state postal abbr.

• Numbers on letters

• Oomph

• Pep

• Pizazz

• Postal acronym

• Postal code

• Rush (along)

• Scoot along

• Speed (by)

• Spice

• Starving artist's net worth, slangily

• State follower

• Tang

• The big goose egg

• The White House's 20500

• The White House's is 20500

• Travel rapidly

• Type of code

• USPS acronym

• Vigor

• Zero

• Zilch

• A quantity of no importance

• A fastener for locking together two toothed edges by means of a sliding tab

* * *