| Word | Digits in Telephone Number |
|---|---|
| Unnaturally | 866 288-7255 (9) |
| Unnavigable | 866 284-4225 (3) |
| Unndercoats | 866 337-2628 (7) |
| Unnecessary | 866 323-7727 (9) |
| Unnervingly | 866 378-4645 (9) |
| Unnilhexium | 866 454-3948 (6) |
| Unnourished | 866 687-4743 (3) |
| Unnumerable | 866 863-7225 (3) |