| Word | Digits in Telephone Number |
|---|---|
| Fibreboard | 342 732-6273 |
| Fibrefills | 342 733-4557 |
| Fibreglass | 342 734-5277 |
| Fibreoptic | 342 736-7842 |
| Fibrillate | 342 745-5283 |
| Fibrillose | 342 745-5673 |
| Fibrinogen | 342 746-6436 |
| Fibrinoids | 342 746-6437 |
| Fibroblast | 342 762-5278 |
| Fibrosites | 342 767-4837 |
| Fibrositis | 342 767-4847 |