ZIP code 40231
Where is ZIP code 40231?
Louisville, Kentucky
Jefferson County · PO Box only ZIP code
ZIP code 40231 belongs to Louisville, Kentucky in Jefferson County. 40231 is a PO Box only ZIP code: it is used for post office boxes at the Louisville post office, not for street addresses. It is in the Eastern Time zone and uses area code 502. The closest ZIP codes are 40201 (Louisville, 0 mi north), 40221 (Louisville, 0 mi north) and 40224 (Louisville, 0 mi north).
| ZIP code | 40231 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Louisville |
| State | Kentucky (KY) |
| County | Jefferson County |
| Time zone | Eastern Time · now |
| Area code | 502 |
| Coordinates | 38.189, -85.6768 map |
| 3-digit prefix | 402 |
The Census Bureau doesn’t publish population figures for po box only ZIP codes because nobody lives at a PO Box or a single organization’s address. For figures about the area, see the nearby standard ZIP codes below.
ZIP codes near 40231
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 40201 | Louisville, KY | 0 mi N | PO Box only |
| 40221 | Louisville, KY | 0 mi N | PO Box only |
| 40224 | Louisville, KY | 0 mi N | PO Box only |
| 40225 | Louisville, KY | 0 mi N | Unique |
| 40232 | Louisville, KY | 0 mi N | PO Box only |
| 40233 | Louisville, KY | 0 mi N | PO Box only |
| 40250 | Louisville, KY | 0 mi N | PO Box only |
| 40251 | Louisville, KY | 0 mi N | PO Box only |
| 40252 | Louisville, KY | 0 mi N | PO Box only |
| 40253 | Louisville, KY | 0 mi N | PO Box only |
| 40255 | Louisville, KY | 0 mi N | PO Box only |
| 40256 | Louisville, KY | 0 mi N | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 40231 or measure the distance to another ZIP code.
How to address mail to 40231
PO BOX 123
LOUISVILLE KY 40231
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (40231-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Louisville, KY
- 40201
- 40202
- 40203
- 40204
- 40205
- 40206
- 40207
- 40208
- 40209
- 40210
- 40211
- 40212
- 40213
- 40214
- 40215
- 40216
- 40217
- 40218
- 40219
- 40220
- 40221
- 40222
- 40223
- 40224
- 40225
- 40228
- 40229
- 40232
- 40233
- 40241
- 40242
- 40243
- 40245
- 40250
- 40251
- 40252
- 40253
- 40255
- 40256
- 40257
- 40258
- 40259
- 40261
- 40266
- 40268
- 40269
- 40270
- 40272
- 40280
- 40281
- 40282
- 40283
- 40285
- 40287
- 40289
- 40290
- 40291
- 40292
- 40293
- 40294
- 40295
- 40296
- 40297
- 40298
- 40299
All Louisville ZIP codes with population and income →
Questions
- What city is ZIP code 40231?
- 40231 is a Louisville, Kentucky ZIP code.
- What county is 40231 in?
- ZIP code 40231 is in Jefferson County, Kentucky.
- What time zone is ZIP code 40231 in?
- 40231 is in the Eastern Time zone (America/Kentucky/Louisville).
- What area code is 40231?
- Phone numbers in ZIP code 40231 use area code 502.
- Can I use 40231 for a street address?
- No. 40231 is only for PO Boxes. Street addresses in Louisville use 40202, 40203, 40204.
- What ZIP codes are near 40231?
- The nearest ZIP codes to 40231 are 40201 (Louisville, 0 miles), 40221 (Louisville, 0 miles), 40224 (Louisville, 0 miles) and 40225 (Louisville, 0 miles).