City
- Adrian
- Annex
- Baker City
- Brogan
- Burns
- Elgin
- Enterprise
- Halfway
- Harper
- Huntington
- Jordan Valley
- Klamath Falls
- Nyssa
- Ontario
- Outside City Limits
- Richland
- Summerville
- Sumpter
- Unity
- Vale
- Waldport
- Wallowa
- Westfall
County
Zip Code
- 97383
- 97394
- 97603
- 97720
- 97729
- 97814
- 97827
- 97828
- 97834
- 97870
- 97876
- 97877
- 97884
- 97885
- 97901
- 97903
- 97906
- 97907
- 97910
- 97913
- 97913-0000
- 97913-3516
- 97913-5400
- 97914
- 97914-0000
- 97918
- 97918-0000
- 97920
School District
- Adrian School District #61
- Annex School District #29
- Baker School District 5J
- Burns Harney County #3
- Harper School District #66
- Huntington School District 16J
- Imbler 11
- Jordan Valley School District #3
- Nyssa School District 26
- Ontario School District 8C
- Out of Area
- Pine Eagle 61
- Vale School District 84
- Weiser School District #431