| 97814 Baker | 541 | Baker County | Oregon (OR) |
| 97814 Baker City | 541 | Baker County | Oregon (OR) |
| 97814 Medical Springs | 541 | Baker County | Oregon (OR) |
| 97814 Keating | 541 | Baker County | Oregon (OR) |
| 97819 John Day | 541 | Baker County | Oregon (OR) |
| 97819 Bridgeport | 541 | Baker County | Oregon (OR) |
| 97833 Haines | 541 | Baker County | Oregon (OR) |
| 97834 Halfway | 541 | Baker County | Oregon (OR) |
| 97837 Hereford | 541 | Baker County | Oregon (OR) |
| 97840 Oxbow | 541 | Baker County | Oregon (OR) |
| 97870 Richland | 541 | Baker County | Oregon (OR) |
| 97877 Granite | 541 | Baker County | Oregon (OR) |
| 97877 Sumpter | 541 | Baker County | Oregon (OR) |
| 97884 Unity | 541 | Baker County | Oregon (OR) |
| 97905 Weatherby | 541 | Baker County | Oregon (OR) |
| 97905 Durkee | 541 | Baker County | Oregon (OR) |
| 97907 Huntington | 541 | Baker County | Oregon (OR) |
| 97907 Lime | 541 | Baker County | Oregon (OR) |
| 97907 Rye Valley | 541 | Baker County | Oregon (OR) |