Postal prefix explorer
United States codes starting with “5”
4,145 distinct postal codes match this prefix in the active snapshot.
50001Ackworth1 source records50002Adair1 source records50003Adel1 source records50005Albion1 source records50006Alden1 source records50007Alleman1 source records50008Allerton1 source records50009Altoona1 source records50010Ames1 source records50011Ames1 source records50012Ames1 source records50013Ames1 source records50014Ames1 source records50020Anita1 source records50021Ankeny1 source records50022Atlantic1 source records50023Ankeny1 source records50025Audubon1 source records50026Bagley1 source records50027Barnes City1 source records50028Baxter1 source records50029Bayard1 source records50031Beaver1 source records50032Berwick1 source records50033Bevington1 source records50034Blairsburg1 source records50035Bondurant1 source records50036Boone1 source records50037Boone1 source records50038Booneville1 source records50039Bouton1 source records50040Boxholm1 source records50041Bradford1 source records50042Brayton1 source records50043Buckeye1 source records50044Bussey1 source records50046Cambridge1 source records50047Carlisle1 source records50048Casey1 source records50049Chariton1 source records50050Churdan1 source records50051Clemons1 source records50052Clio1 source records50054Colfax1 source records50055Collins1 source records50056Colo1 source records50057Columbia1 source records50058Coon Rapids1 source records50059Cooper1 source records50060Corydon1 source records50061Cumming1 source records50062Melcher Dallas1 source records50063Dallas Center1 source records50064Dana1 source records50065Davis City1 source records50066Dawson1 source records50067Decatur1 source records50068Derby1 source records50069De Soto1 source records50070Dexter1 source records