Franklin County, Washington ZIP codes
6ZIP codes
5Cities and towns
98,034People in ZIP areas
509Area code
Franklin County is in Washington and the Pacific 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 Franklin County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 99301 | Pasco | Standard | 87,044 | $87,951 |
| 99302 | Pasco | PO Box only | – | – |
| 99326 | Connell | Standard | 6,336 | $82,500 |
| 99330 | Eltopia | Standard | 1,210 | $140,093 |
| 99335 | Kahlotus | PO Box only | 229 | $91,667 |
| 99343 | Mesa | Standard | 3,215 | $59,451 |
Cities and towns in Franklin County
Area codes in Franklin County
Questions
- How many ZIP codes are in Franklin County, WA?
- Franklin County has 6 ZIP codes, 4 of them standard ZIP codes for street addresses.
- What cities are in Franklin County?
- Franklin County ZIP codes cover Pasco, Connell, Eltopia, Kahlotus and Mesa.
- What area code is Franklin County, WA?
- Franklin County uses area code 509.
- What time zone is Franklin County in?
- Franklin County is in Pacific Time.
Other Washington counties
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