| Word | Digits in Telephone Number |
|---|---|
| Carbachol | 227222465 |
| Carbamate | 227226283 |
| Carbamide | 227226433 |
| Carbamino | 227226466 |
| Carbamyls | 227226957 |
| Carbanion | 227226466 |
| Carbaryls | 227227957 |
| Carbazole | 227229653 |
| Carbineer | 227246337 |
| Carbinols | 227246657 |
| Carbolics | 227265427 |
| Carbonade | 227266233 |
| Carbonado | 227266236 |
| Carbonara | 227266272 |
| Carbonate | 227266283 |
| Carbonise | 227266473 |
| Carbonize | 227266493 |
| Carbonous | 227266687 |
| Carbonyls | 227266957 |
| Carboxyls | 227269957 |
| Carbuncle | 227286253 |
| Carburets | 227287387 |
| Carburise | 227287473 |
| Carburize | 227287493 |