| FIVE | With 34-Across, kind of number a ZIP code generally is |
| ADDR | It might end in a ZIP code: Abbr. |
| ADDRESS | One includes a ZIP code |
| APENNINES | Range of numbers a writer started (9) |
| TRILLION | What, generally, is a million times a million (8) |
| ACHING | Part of a teach-in generally is giving distress (6) |
| GIMME | Simple shot generally is much, much easier - but only from the front (5) |
| ELEMENT | Any one of the "teeth" of a zip or entries of a matrix; or, a heating part or resistor in an electric kettle (7) |
| FLEECE | Sheep's coat of wool such as the golden example sought and won by Jason and the Argonauts in a quest; or, a thermal fabric used to make a zip-up garment of the same name (6) |
| SCOOT | A dash, scud, scuttle, slip or squirt, or a zip on a kick-powered ride, but all in all, it is a quick and sudden glide (5) |
| NEONAZI | Fascist kind of sign with a zip undone (3-4) |
| NETHER | Lower number upset that woman -- name different kind of number (6) |
| SHEIKHS | Lower number upset that woman -- name different kind of number (6) |
| TRIESTE | 10 times is Roman kind of number in Italy (7) |
| ODD | Kind of number that will leave a remainder when divided by 2 |
| UNKNOWN | An x, y or z is this kind of number in traditional algebra |
| PRIME | What kind of number is divisible only by itself and 1? (5) |
| OCTAL | Kind of number system in which 7 is the highest digit |
| BOMBER | A zip-fronted type of jacket for a grenadier |
| WINDFARM | Spooner's to come across kind-hearted energy supplier (4,4) |
