| Word | Digits in Telephone Number |
|---|---|
| Coscoroba | 267267622 |
| Coscripts | 267274787 |
| Cosecants | 267322687 |
| Coseismal | 267347625 |
| Coseismic | 267347642 |
| Coshering | 267437464 |
| Cosigners | 267446377 |
| Cosigning | 267446464 |
| Cosmetics | 267638427 |
| Cosmogony | 267664669 |
| Cosmology | 267665649 |
| Cosmonaut | 267666288 |
| Cosmotron | 267668766 |
| Cosponsor | 267766767 |
| Cosseting | 267738464 |
| Costa Mesa | 267826372 |
| Costa Rica | 267827422 |
| Costalgia | 267825442 |
| Costanoan | 267826626 |
| Costarred | 267827733 |
| Costiasis | 267842747 |
| Costively | 267848359 |
| Costliest | 267854378 |
| Costumers | 267886377 |
| Costumery | 267886379 |
| Costumier | 267886437 |
| Costuming | 267886464 |