| City/Town | Postal Code | Area Code |
| Adna, WA | 98522 | 360/564 |
| Ajlune, WA | 98564 | 360/564 |
| Alpha, WA | 98570 | 360/564 |
| Boistfort, WA | 98532 | 360/564 |
| Bunker, WA | 98532 | 360/564 |
| Carlson, WA | 98355 | 360/564 |
| Carriage Hill, WA | 98336 | 360/564 |
| Centralia, WA | 98531 | 360/564 |
| Ceres, WA | 98532 | 360/564 |
| Chehalis, WA | 98532 | 360/564 |
| Cinebar, WA | 98533 | 360/564 |
| Claquato, WA | 98532 | 360/564 |
| Curtis, WA | 98538 | 360/564 |
| Doty, WA | 98539 | 360/564 |
| Dryad, WA | 98532 | 360/564 |
| Ethel, WA | 98542 | 360/564 |
| Evaline, WA | 98596 | 360/564 |
| Fords Prairie, WA | 98531 | 360/564 |
| Forest, WA | 98532 | 360/564 |
| Galvin, WA | 98544 | 360/564 |
| Glenoma, WA | 98336 | 360/564 |
| Grand Mound, WA | 98531 | 360/564 |
| Guerrier, WA | 98532 | 360/564 |
| Harmony, WA | 98585 | 360/564 |
| Kalber, WA | 98538 | 360/564 |
| Klaber, WA | 98538 | 360/564 |
| Knab, WA | 98591 | 360/564 |
| Kosmos, WA | 98336 | 360/564 |
| Lacamas, WA | 98570 | 360/564 |
| Lindberg, WA | 98356 | 360/564 |
| Littell, WA | 98532 | 360/564 |
| Marys Corner, WA | 98532 | 360/564 |
| Mineral, WA | 98355 | 360/564 |
| Morton, WA | 98356 | 360/564 |
| Mossyrock, WA | 98564 | 360/564 |
| Napavine, WA | 98532 | 360/564 |
| 98565 | 360/564 | |
| Newaukum, WA | 98532 | 360/564 |
| Onalaska, WA | 98570 | 360/564 |
| Packwood, WA | 98361 | 360/564 |
| Pe Ell, WA | 98572 | 360/564 |
| Peell, WA | 98572 | 360/564 |
| Randle, WA | 98377 | 360/564 |
| Saint Urbans, WA | 98596 | 360/564 |
| Salkum, WA | 98582 | 360/564 |
| Silver Creek, WA | 98585 | 360/564 |
| Toledo, WA | 98591 | 360/564 |
| Vader, WA | 98593 | 360/564 |
| Waunch Prairie, WA | 98531 | 360/564 |
| Wildwood, WA | 98538 | 360/564 |
| Winlock, WA | 98596 | 360/564 |