| Word | Digits in Telephone Number |
|---|---|
| Petrodollars | 738 763-6552 (77) |
| Petrogeneses | 738 764-3637 (37) |
| Petrogenesis | 738 764-3637 (47) |
| Petrogenetic | 738 764-3638 (42) |
| Petrographer | 738 764-7274 (37) |
| Petrographic | 738 764-7274 (42) |
| Petrological | 738 765-6442 (25) |
| Petrologists | 738 765-6447 (87) |
| Petroselinum | 738 767-3546 (86) |