| City/Town | Postal Code | Area Code |
| Acme, WA | 98220 | 360/564 |
| Bakerview, WA | 98226 | 360/564 |
| Bellingham, WA | 98225 | 360/564 |
| 98226 | 360/564 | |
| 98227 | 360/564 | |
| 98228 | 360/564 | |
| 98229 | 360/564 | |
| Birch Bay, WA | 98230 | 360/564 |
| Blaine, WA | 98230 | 360/564 |
| 98231 | 360/564 | |
| Chuckanut, WA | 98225 | 360/564 |
| Clearbrook, WA | 98295 | 360/564 |
| Custer, WA | 98240 | 360/564 |
| Deming, WA | 98244 | 360/564 |
| Everson, WA | 98247 | 360/564 |
| 98276 | 360/564 | |
| Fairhaven, WA | 98225 | 360/564 |
| Ferndale, WA | 98248 | 360/564 |
| Glacier, WA | 98244 | 360/564 |
| Kendall, WA | 98244 | 360/564 |
| Lummi Island, WA | 98262 | 360/564 |
| Lynden, WA | 98264 | 360/564 |
| Maple Falls, WA | 98266 | 360/564 |
| Marietta, WA | 98225 | 360/564 |
| Nooksack, WA | 98247 | 360/564 |
| 98276 | 360/564 | |
| Nooksack Indian Reservation, WA | 98244 | 360/564 |
| Pleasant Valley, WA | 98248 | 360/564 |
| Point Roberts, WA | 98281 | 360/564 |
| Saxon, WA | 98220 | 360/564 |
| Silver Beach, WA | 98226 | 360/564 |
| Strandell, WA | 98247 | 360/564 |
| Sumas, WA | 98295 | 360/564 |
| Van Buren, WA | 98247 | 360/564 |
| Welcome, WA | 98244 | 360/564 |