| Essential element of dot-com transactions | 41 |
| 90210, for Beverly Hills | 24 |
| 1963 system based on a 1944 Robert Moon proposal | 48 |
| 12345, e.g. | 11 |
| Bulk mail requirement | 21 |
| They're written on states' rights | 41 |
| They gained four digits in 1983 | 31 |
| Routing aids | 12 |
| Numbers of places | 17 |
| Numbers needed for letters | 26 |
| Numbers after HI and OH, e.g. | 29 |
| Mail numbers | 12 |
| 60606 and 70707, e.g. | 21 |
| Portable backup device | 22 |
| Old-style data storage device | 29 |
| Obsolescent storage device | 26 |
| Late 1990s computer disk storage system | 39 |
| Homemade pistol | 15 |
| Homemade single-shot pistol | 27 |
| Homemade weapons | 16 |
| Homemade pistols | 16 |
| Like some linings | 17 |
| "Button your lip!" | 28 |
| ''Not another peep!'' | 37 |
| Slangy "Quiet!" | 25 |
| "Shut your hole!" | 27 |
| "Shut yer yapper!" | 28 |
| "Shh!" from a mail carrier? | 37 |
| "Shaddup" | 19 |
| "Not another peep!" | 29 |
| "Not another peep out of you!" | 40 |
| ''Shut up'' | 27 |
| Unemotional one-night stand in feminist slang | 45 |
| Tourist activity of declining popularity? | 41 |
| Cable ride | 10 |
| Cable with a pulley for riding | 30 |
| Glad rival in the kitchen | 25 |
| Freezer bag brand | 17 |
| Self-sealing bag | 16 |
| Resealable bag brand | 20 |
| Popular sandwich bag | 20 |
| Freezer bag name | 16 |
| Brand of food storage bags | 26 |
| Baggie brand | 12 |
| Baggie biggie | 13 |
| Lunchbox sandwich protector | 27 |
| Holder of many a sandwich | 25 |
| Like some detachable linings | 28 |
| Moved right along | 17 |
| Sped (by) | 9 |
| Compressed a file | 17 |
| Closed a jacket | 15 |
| Fastened a fly | 14 |
| Closed, as a jacket | 19 |
| Bundled for cold weather, maybe | 31 |
| Slide fastener | 14 |
| Sleeping bag closure | 20 |
| Sleeping bag closer | 19 |
| It may be under a fly | 21 |
| Invention of I891 | 17 |
| Clothes closer once trademarked by B.F. Goodrich | 48 |
| Buttons' replacer | 21 |
| Secret formula for making fasteners? | 36 |
| Like some change purses | 23 |
| Closed, as a sleeping bag | 25 |
| Name used for the Monica Lewinsky business | 42 |
| Orderly traffic pattern | 23 |
| Method for two lanes of traffic interleaving into one | 53 |
| Sleeping bag closers | 20 |
| Closers of a kind | 17 |
| Routing code | 12 |
| Having the most pizazz | 22 |
| Clamming up | 11 |
| Closing, as a jacket | 20 |
| Postal pinpointer | 17 |
| Post office request | 19 |
| Nine-digit letter code | 22 |
| Lighter that sounds like nothing? | 33 |
| Lighter option | 14 |
| Doodly-squat | 12 |
| Alternative to a Bic Classic | 28 |
| A goose egg | 11 |
| Cleanup crew's goal? | 24 |
| Over 400 million of them have been made since 1932 | 50 |
| Lifetime-guaranteed lighters | 28 |
| Very quick | 10 |
| Opposite of sluggish | 20 |
| Comic strip pinhead | 19 |
| Pinhead of comics | 17 |
| Cult comic strip | 16 |
| Bill Griffith comic strip | 25 |
| Compresses, in computerese | 26 |
| Closes a jacket | 15 |
| Letter codes | 12 |
| Compresses, as a file | 21 |
| Zooms along | 11 |
| University of Akron athletes | 28 |
| Speeds (by) | 11 |
| Rushes (along) | 14 |
| Prepares to exit the stall, say | 31 |