| Word | Digits in Telephone Number |
|---|---|
| Protocoling | 776 862-6546 (4) |
| Protocolist | 776 862-6547 (8) |
| Protocolled | 776 862-6553 (3) |
| Protoctista | 776 862-8478 (2) |
| Protoctists | 776 862-8478 (7) |
| Protogalaxy | 776 864-2529 (9) |
| Protohippus | 776 864-4778 (7) |
| Protohumans | 776 864-8626 (7) |
| Protomammal | 776 866-2662 (5) |
| Protomartyr | 776 866-2789 (7) |
| Protonating | 776 866-2846 (4) |
| Protonation | 776 866-2846 (6) |
| Protonemata | 776 866-3628 (2) |
| Protonotary | 776 866-6827 (9) |
| Protopathic | 776 867-2844 (2) |
| Protophloem | 776 867-4563 (6) |
| Protoplanet | 776 867-5263 (8) |
| Protoplasms | 776 867-5276 (7) |
| Protoplasts | 776 867-5278 (7) |
| Protosteles | 776 867-8353 (7) |
| Protostelic | 776 867-8354 (2) |
| Protostomes | 776 867-8663 (7) |
| Prototheria | 776 868-4374 (2) |
| Prototrophs | 776 868-7674 (7) |
| Prototrophy | 776 868-7674 (9) |
| Prototyping | 776 868-9746 (4) |
| Protoxidize | 776 869-4349 (3) |
| Protoxylems | 776 869-9536 (7) |