| Locality | Post Code |
|---|---|
| Alder, Pierce | 98328 |
| Alderton, Pierce | 98371 |
| Anderson Island, Pierce | 98303 |
| Arletta, Pierce | 98335 |
| Artondale, Pierce | 98335 |
| Ashford, Pierce | 98304 |
| Bethel, Pierce | 98387 |
| Bonney Lake, Pierce | 98391 |
| Browns Point, Pierce | 98422 |
| Buckley, Pierce | 98321 |
| Burnett, Pierce | 98321 |
| Camp Murray, Pierce | 98430 |
| Carbonado, Pierce | 98323 |
| Cedarview, Pierce | 98391 |
| Crescent Valley, Pierce | 98335 |
| Crocker, Pierce | 98360 |
| Cromwell, Pierce | 98335 |
| Dash Point, Pierce | 98422 |
| Dieringer, Pierce | 98390 |
| Driftwood, Pierce | 98391 |
| Dupont, Pierce | 98327 |
| Eatonville, Pierce | 98328 |
| Edgewood, Pierce | 98371, 98372 |
| Elbe, Pierce | 98330 |
| Electron, Pierce | 98360 |
| Elgin, Pierce | 98335 |