Zip Code ReportSt. Louis County ZIP codes
Every ZIP code in St. Louis County, Missouri, with the city it serves. Open any one for a free neighborhood report.
51 ZIP codes · St. Louis County, MO · FIPS 29189
ZIP codes
51 in this county63005Chesterfield63006ChesterfieldPO box63011Ballwin63017Chesterfield63021Ballwin63022BallwinPO box63024BallwinPO box63025Eureka63031Florissant63032FlorissantPO box63033Florissant63034Florissant63038Wildwood63040Wildwood63042Hazelwood63043Maryland Heights63044Bridgeton63045Earth City63074Saint Ann63088Valley Park63105Saint Louis63114Saint Louis63117Saint Louis63119Saint Louis63121Saint Louis63122Saint Louis63123Saint Louis63124Saint Louis63125Saint Louis63126Saint Louis63127Saint Louis63128Saint Louis63129Saint Louis63130Saint Louis63131Saint Louis63132Saint Louis63133Saint Louis63134Saint Louis63135Saint Louis63136Saint Louis63137Saint Louis63138Saint Louis63140Saint Louis63141Saint Louis63143Saint Louis63144Saint Louis63145Saint LouisPO box63146Saint Louis63151Saint LouisPO box63167Saint Louisunique63171Saint Louisunique
8 of these ZIP codes route mail only. A PO-box or single-recipient ZIP has no residential area behind it, so neighborhood statistics can't be computed for it — those pages say so instead of showing numbers.