Washington County, Oklahoma ZIP codes
9ZIP codes
6Cities and towns
53,329People in ZIP areas
539, 620, 918Area codes
Washington County is in Oklahoma and the Central Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.
All ZIP codes in Washington County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 74003 | Bartlesville | Standard | 14,024 | $47,168 |
| 74004 | Bartlesville | Unique | – | – |
| 74005 | Bartlesville | PO Box only | – | – |
| 74006 | Bartlesville | Standard | 27,911 | $71,796 |
| 74022 | Copan | Standard | 1,793 | $46,538 |
| 74029 | Dewey | Standard | 5,331 | $57,821 |
| 74051 | Ochelata | Standard | 1,888 | $67,841 |
| 74061 | Ramona | Standard | 2,245 | $58,929 |
| 74082 | Vera | PO Box only | 137 | $50,833 |
Cities and towns in Washington County
Area codes in Washington County
Questions
- How many ZIP codes are in Washington County, OK?
- Washington County has 9 ZIP codes, 6 of them standard ZIP codes for street addresses.
- What cities are in Washington County?
- Washington County ZIP codes cover Bartlesville, Copan, Dewey, Ochelata, Ramona and Vera.
- What area code is Washington County, OK?
- Washington County uses area codes 539, 620 and 918.
- What time zone is Washington County in?
- Washington County is in Central Time.
Other Oklahoma counties
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