| Word | Digits in Telephone Number |
|---|---|
| Orthocenter | 678 462-3683 (7) |
| Orthochorea | 678 462-4673 (2) |
| Orthoclases | 678 462-5273 (7) |
| Orthodontia | 678 463-6684 (2) |
| Orthodontic | 678 463-6684 (2) |
| Orthodoxies | 678 463-6943 (7) |
| Orthoepists | 678 463-7478 (7) |
| Orthography | 678 464-7274 (9) |
| Orthonormal | 678 466-6762 (5) |
| Orthopaedic | 678 467-2334 (2) |
| Orthopedics | 678 467-3342 (7) |
| Orthopedist | 678 467-3347 (8) |
| Orthophobia | 678 467-4624 (2) |
| Orthopteran | 678 467-8372 (6) |
| Orthopteron | 678 467-8376 (6) |
| Orthoptists | 678 467-8478 (7) |
| Orthoscopic | 678 467-2674 (2) |
| Orthostatic | 678 467-8284 (2) |