| City/Town | Postal Code | Area Code |
| Anacortes, WA | 98222 | 360/564 |
| Blakely Island, WA | 98222 | 360/564 |
| Deer Harbor, WA | 98243 | 360/564 |
| Doebay, WA | 98279 | 360/564 |
| Eastsound, WA | 98245 | 360/564 |
| Friday Harbor, WA | 98250 | 360/564 |
| Lopez Island, WA | 98261 | 360/564 |
| Olga, WA | 98279 | 360/564 |
| Orcas, WA | 98280 | 360/564 |
| Port Stanley, WA | 98261 | 360/564 |
| Roche Harbor, WA | 98250 | 360/564 |
| San Juan Island, WA | 98250 | 360/564 |
| Shaw Island, WA | 98286 | 360/564 |
| Waldron, WA | 98297 | 360/564 |