| Word | Digits in Telephone Number |
|---|---|
| Heteroatom | 438 376-2866 |
| Heterocyst | 438 376-2978 |
| Heterodoxy | 438 376-3699 |
| Heterodyne | 438 376-3963 |
| Heterogamy | 438 376-4269 |
| Heterogeny | 438 376-4369 |
| Heterogony | 438 376-4669 |
| Heteronomy | 438 376-6669 |
| Heteronyms | 438 376-6967 |
| Heterophil | 438 376-7445 |
| Heterotaxy | 438 376-8299 |