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Washington ZIP Codes — Kansas (KS)
| City or Location | County or District | States or Territories | States or Territories Abbrieviation | ZIP Code or Postcode |
|---|---|---|---|---|
| Barnes | Washington | Kansas | KS | 66933 |
| Clifton | Washington | Kansas | KS | 66937 |
| Greenleaf | Washington | Kansas | KS | 66943 |
| Haddam | Washington | Kansas | KS | 66944 |
| Hanover | Washington | Kansas | KS | 66945 |
| Hollenberg | Washington | Kansas | KS | 66946 |
| Linn | Washington | Kansas | KS | 66953 |
| Mahaska | Washington | Kansas | KS | 66955 |
| Morrowville | Washington | Kansas | KS | 66958 |
| Palmer | Washington | Kansas | KS | 66962 |
| Washington | Washington | Kansas | KS | 66968 |
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