| Word | Digits in Telephone Number |
|---|---|
| Onchorynchus | 662 467-9624 (87) |
| Oncogenicity | 662 643-6424 (89) |
| Oncornavirus | 662 676-2847 (87) |
| Oneirophobia | 663 476-7462 (42) |
| Onomastician | 666 627-8424 (26) |
| Onomatomania | 666 628-6626 (42) |
| Onomatopoeia | 666 628-6763 (42) |
| Onomatopoeic | 666 628-6763 (42) |
| Onychophoran | 669 246-7467 (26) |