Postal prefix explorer
United States codes starting with “4”
4,489 distinct postal codes match this prefix in the active snapshot.
40003Bagdad1 source records40004Bardstown1 source records40006Bedford1 source records40007Bethlehem1 source records40008Bloomfield1 source records40009Bradfordsville1 source records40010Buckner1 source records40011Campbellsburg1 source records40012Chaplin1 source records40013Coxs Creek1 source records40014Crestwood1 source records40018Eastwood1 source records40019Eminence1 source records40020Fairfield1 source records40022Finchville1 source records40023Fisherville1 source records40025Glenview1 source records40026Goshen1 source records40027Harrods Creek1 source records40031La Grange1 source records40032La Grange1 source records40033Lebanon1 source records40036Lockport1 source records40037Loretto1 source records40040Mackville1 source records40041Masonic Home1 source records40045Milton1 source records40046Mount Eden1 source records40047Mount Washington1 source records40048Nazareth1 source records40049Nerinx1 source records40050New Castle1 source records40051New Haven1 source records40052New Hope1 source records40055Pendleton1 source records40056Pewee Valley1 source records40057Pleasureville1 source records40058Port Royal1 source records40059Prospect1 source records40060Raywick1 source records40061Saint Catharine1 source records40062Saint Francis1 source records40063Saint Mary1 source records40065Shelbyville1 source records40066Shelbyville1 source records40067Simpsonville1 source records40068Smithfield1 source records40069Springfield1 source records40070Sulphur1 source records40071Taylorsville1 source records40075Turners Station1 source records40076Waddy1 source records40077Westport1 source records40078Willisburg1 source records40104Battletown1 source records40107Boston1 source records40108Brandenburg1 source records40109Brooks1 source records40110Clermont1 source records40111Cloverport1 source records