| Word | Digits in Telephone Number |
|---|---|
| Isobarism | 476227476 |
| Isobutane | 476288263 |
| Isocheims | 476243467 |
| Isochimal | 476244625 |
| Isochimes | 476244637 |
| Isochores | 476246737 |
| Isochrone | 476247663 |
| Isochrons | 476247667 |
| Isoclines | 476254637 |
| Isoclinic | 476254642 |
| Isocrates | 476272837 |
| Isocyclic | 476292542 |
| Isoenzyme | 476369963 |
| Isoetales | 476382537 |
| Isogamete | 476426383 |
| Isogamies | 476426437 |
| Isogamous | 476426687 |
| Isogeneic | 476436342 |
| Isogenies | 476436437 |
| Isogonals | 476466257 |
| Isogonics | 476466427 |
| Isogonies | 476466437 |
| Isogonism | 476466476 |
| Isografts | 476472387 |
| Isographs | 476472747 |
| Isography | 476472749 |
| Isohyetal | 476493825 |
| Isolating | 476528464 |
| Isolation | 476528466 |
| Isolators | 476528677 |
| Isologous | 476564687 |
| Isologues | 476564837 |
| Isomerase | 476637273 |
| Isomerise | 476637473 |
| Isomerism | 476637476 |
| Isomerize | 476637493 |
| Isometric | 476638742 |
| Isomorphs | 476667747 |
| Isomorphy | 476667749 |
| Isoniazid | 476642943 |
| Isonomies | 476666437 |
| Isooctane | 476628263 |
| Isophotal | 476746825 |
| Isophotes | 476746837 |
| Isopleths | 476753847 |
| Isopodans | 476763267 |
| Isopodous | 476763687 |
| Isoprenes | 476773637 |
| Isopropyl | 476776795 |
| Isopteran | 476783726 |
| Isopycnic | 476792642 |
| Isosceles | 476723537 |
| Isosmotic | 476766842 |
| Isosporic | 476776742 |
| Isostatic | 476782842 |
| Isotactic | 476822842 |
| Isotheral | 476843725 |
| Isotheres | 476843737 |
| Isotherms | 476843767 |
| Isotopies | 476867437 |
| Isotropic | 476876742 |