| Word | Digits in Telephone Number |
|---|---|
| Radioactive | 723 462-2848 (3) |
| Radiocarbon | 723 462-2726 (6) |
| Radiographs | 723 464-7274 (7) |
| Radiography | 723 464-7274 (9) |
| Radiolabels | 723 465-2235 (7) |
| Radiolarian | 723 465-2742 (6) |
| Radiolocate | 723 465-6228 (3) |
| Radiologies | 723 465-6443 (7) |
| Radiologist | 723 465-6447 (8) |
| Radiolucent | 723 465-8236 (8) |
| Radiometers | 723 466-3837 (7) |
| Radiometric | 723 466-3874 (2) |
| Radiopacity | 723 467-2248 (9) |
| Radiophobia | 723 467-4624 (2) |
| Radiophones | 723 467-4663 (7) |
| Radiophonic | 723 467-4664 (2) |
| Radiophotos | 723 467-4686 (7) |
| Radiosondes | 723 467-6633 (7) |
| Radiotracer | 723 468-7223 (7) |