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Washington ZIP Codes — Oklahoma (OK)
| City or Location | County or District | States or Territories | States or Territories Abbrieviation | ZIP Code or Postcode |
|---|---|---|---|---|
| Bartlesville | Washington | Oklahoma | OK | 74003 |
| Bartlesville | Washington | Oklahoma | OK | 74004 |
| Bartlesville | Washington | Oklahoma | OK | 74005 |
| Bartlesville | Washington | Oklahoma | OK | 74006 |
| Copan | Washington | Oklahoma | OK | 74022 |
| Dewey | Washington | Oklahoma | OK | 74029 |
| Ochelata | Washington | Oklahoma | OK | 74051 |
| Ramona | Washington | Oklahoma | OK | 74061 |
| Vera | Washington | Oklahoma | OK | 74082 |
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