Jefferson County, located in the state of Kentucky, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to Jefferson County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
40269
40041
40259
40280
40282
40229
40241
40207
40242
40272
40210
40270
40025
40027
40225
40281
40214
40257
40251
40292
40289
40177
40216
40256
40291
40218
40217
40204
40056
40250
40261
40018
40266
40285
40047
40059
40219
40258
40205
40233
40255
40201
40202
40023
40245
40206
40228
40252
40268
40014
40109
40118
40203
40211
40220
40243
40212
40215
40299
40253
40232
40283
40231
40223
40222
40208
40213
40221
40209

To know more about Jefferson County, click the button below:

Jefferson County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in Jefferson County County?

There are approximately 69 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Jefferson County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.