| Three-digit no., often | 22 |
| Three nos. in the office | 24 |
| Tel. no. detail | 15 |
| Tel. line | 9 |
| Switchboard hookup: Abbr. | 25 |
| Switchboard abbr. | 17 |
| Something to dial: Abbr. | 24 |
| Second tel. line | 16 |
| Sec. phone | 10 |
| Request to an oper. | 19 |
| Request to a switchboard oper. | 30 |
| Receptionist's info: Abbr. | 30 |
| Phone number addition (abbr.) | 29 |
| Phone no. follower | 18 |
| Phone no. at the office | 23 |
| Phone no. abbr. | 15 |
| Phone msg. detail | 17 |
| Phone line: abbr. | 17 |
| Phone line abbr. | 16 |
| PBX number | 10 |
| Part of some tel. nos. | 22 |
| Part of an office phone no. | 27 |
| Part of a suite no. | 19 |
| Outside, for short | 18 |
| Outer: Abbr. | 12 |
| Opposite of int. | 16 |
| Office phone no. | 16 |
| Office phone add-on | 19 |
| Office phone abbr. | 18 |
| Office contact no. | 18 |
| Not interior: Abbr. | 19 |
| Not int. | 8 |
| Nos. pressed after getting through | 34 |
| No. in a business email footer | 30 |
| No. dialed in a phone menu | 26 |
| No. after a telephone no. | 25 |
| No. after a no. in an e-mail signature | 38 |
| No longer existing: Abbr. | 25 |
| Letters on a business card | 26 |
| It often precedes a three-digit number | 38 |
| Inside no. | 10 |
| Fire dept. device | 17 |
| Extra phone: Abbr. | 18 |
| Ell on a bldg. | 14 |
| Digits after a ph. no. | 22 |
| Dept. phone no. | 15 |
| Contact info spec. | 18 |
| Certain phone: Abbr. | 20 |
| Certain phone no. | 17 |
| Call routing abbr. | 18 |
| Business phone no. part | 23 |
| Business no., maybe | 19 |
| Business no. | 12 |
| Bus. line abbr. | 15 |
| Annex or ell: Abbr. | 19 |
| Addnl. phone no. | 16 |
| Addl. telephone off a main line | 31 |
| Add'l phone line | 20 |
| Add'l phone | 15 |
| Add-on no. | 10 |
| 3 after 10: Abbr. | 17 |
| Ask for more Time | 17 |
| Renew a subscription | 20 |
| Opposite of abridge | 19 |
| Offer, as a hand | 16 |
| Make a vacation longer | 22 |
| Lengthen or broaden | 19 |
| Hold out; proffer | 17 |
| ___ an invitation | 17 |
| Resign, after consulting with a lawyer? | 39 |
| Too many relatives? | 19 |
| The whole clan | 14 |
| Aunts, uncles, cousins, etc. | 28 |
| Spreads out | 11 |
| Keeps going | 11 |
| Lengthens | 9 |
| Renews, say | 11 |
| Pushes back, as a deadline | 26 |
| Adds on to | 10 |
| Taxpayer request | 16 |
| Anxiety no longer felt? | 23 |
| Degree | 6 |
| Dimensions | 10 |
| Breadth | 7 |
| Outside | 7 |
| Like some paint | 15 |
| Word on some paint cans | 23 |
| Outside surface | 15 |
| House painter's concern, at times | 37 |
| No longer around | 16 |
| Like the dinosaurs | 18 |
| Gone forever | 12 |
| No longer active | 16 |
| Like the moa | 12 |
| Like ground sloths | 18 |
| Like dodos and dinosaurs | 24 |
| Sing the praises of | 19 |
| Celebrate | 9 |
| Shower with praise | 18 |
| Eulogize | 8 |