| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 42123 | Austin | Barren County | Standard |
| 42124 | Beaumont | Metcalfe County | Standard |
| 42127 | Cave City | Barren County | Standard |
| 42129 | Edmonton | Metcalfe County | Standard |
| 42130 | Eighty Eight | Barren County | Standard |
| 42131 | Etoile | Barren County | Standard |
| 42133 | Fountain Run | Monroe County | Standard |
| 42141 | Glasgow | Barren County | Standard |
| 42142 | Glasgow | Barren County | PO Box |
| 42152 | Hiseville | Barren County | PO Box |
| 42154 | Knob Lick | Metcalfe County | Standard |
| 42156 | Lucas | Barren County | Standard |
| 42160 | Park City | Barren County | Standard |
| 42166 | Summer Shade | Metcalfe County | Standard |
| 42171 | Smiths Grove | Warren County | Standard |
| 42214 | Center | Metcalfe County | Standard |
| 42715 | Breeding | Adair County | Standard |
| 42717 | Burkesville | Cumberland County | Standard |
| 42746 | Hardyville | Hart County | Standard |
| 42749 | Horse Cave | Hart County | Standard |