| Word | Digits in Telephone Number |
|---|---|
| Hydropathic | 493 767-2844 (2) |
| Hydrophanes | 493 767-4263 (7) |
| Hydrophidae | 493 767-4432 (3) |
| Hydrophilic | 493 767-4454 (2) |
| Hydrophobia | 493 767-4624 (2) |
| Hydrophobic | 493 767-4624 (2) |
| Hydrophones | 493 767-4663 (7) |
| Hydrophytes | 493 767-4983 (7) |
| Hydrophytic | 493 767-4984 (2) |
| Hydroplaned | 493 767-5263 (3) |
| Hydroplanes | 493 767-5263 (7) |
| Hydroponics | 493 767-6642 (7) |
| Hydropowers | 493 767-6937 (7) |