US United States Major Regions Postal Code Details
🏛️ Saint Louis · Missouri
63123Affton
Affton saint louis missouri 63123 United States
63025Allenton
Allenton saint louis missouri 63025 United States
63022Ballwin
Ballwin saint louis missouri 63022 United States
63121Bel Nor
Bel Nor saint louis missouri 63121 United States
63121Bel Ridge
Bel Ridge saint louis missouri 63121 United States
63125Bella Villa
Bella Villa saint louis missouri 63125 United States
63137Bellefontaine Neighbors
Bellefontaine Neighbors saint louis missouri 63137 United States
63121Bellerive
Bellerive saint louis missouri 63121 United States
63134Berkeley
Berkeley saint louis missouri 63134 United States
63121Beverly Hills
Beverly Hills saint louis missouri 63121 United States
63033Black Jack
Black Jack saint louis missouri 63033 United States
63114Breckenridge Hills
Breckenridge Hills saint louis missouri 63114 United States
63144Brentwood
Brentwood saint louis missouri 63144 United States
63044Bridgeton
Bridgeton saint louis missouri 63044 United States
63044Bridgeton Terrace
Bridgeton Terrace saint louis missouri 63044 United States
63135Burke City
Burke City saint louis missouri 63135 United States
63025Byrnes Mill
Byrnes Mill saint louis missouri 63025 United States
63135Calverton Park
Calverton Park saint louis missouri 63135 United States
63114Charlack
Charlack saint louis missouri 63114 United States
63017Chesterfield
Chesterfield saint louis missouri 63017 United States
63017Clarkson Valley
Clarkson Valley saint louis missouri 63017 United States
63124Clayton
Clayton saint louis missouri 63124 United States
63136Country Club Hills
Country Club Hills saint louis missouri 63136 United States
63131Country Life Acres
Country Life Acres saint louis missouri 63131 United States
63025Crescent
Crescent saint louis missouri 63025 United States
63126Crestwood
Crestwood saint louis missouri 63126 United States
63141Creve Coeur
Creve Coeur saint louis missouri 63141 United States
63131Crystal Lake Park
Crystal Lake Park saint louis missouri 63131 United States
63136Dellwood
Dellwood saint louis missouri 63136 United States
63131Des Peres
Des Peres saint louis missouri 63131 United States
63045Earth City
Earth City saint louis missouri 63045 United States
63134Edmundson
Edmundson saint louis missouri 63134 United States
63038Ellisville
Ellisville saint louis missouri 63038 United States
63025Eureka
Eureka saint louis missouri 63025 United States
63099Fenton
Fenton saint louis missouri 63099 United States
63135Ferguson
Ferguson saint louis missouri 63135 United States
63136Flordell Hills
Flordell Hills saint louis missouri 63136 United States
63032Florissant
Florissant saint louis missouri 63032 United States
63131Frontenac
Frontenac saint louis missouri 63131 United States
63137Glasgow Village
Glasgow Village saint louis missouri 63137 United States
63137Glasgow Vlg
Glasgow Vlg saint louis missouri 63137 United States
63038Glencoe
Glencoe saint louis missouri 63038 United States
63122Glendale
Glendale saint louis missouri 63122 United States
63123Green Park
Green Park saint louis missouri 63123 United States
63133Greendale
Greendale saint louis missouri 63133 United States
63040Grover
Grover saint louis missouri 63040 United States
63005Gumbo
Gumbo saint louis missouri 63005 United States
63133Hanley Hills
Hanley Hills saint louis missouri 63133 United States
63042Hazelwood
Hazelwood saint louis missouri 63042 United States
63025Hoene Spring
Hoene Spring saint louis missouri 63025 United States
63131Huntleigh
Huntleigh saint louis missouri 63131 United States
63136Jennings
Jennings saint louis missouri 63136 United States
63140Kinloch
Kinloch saint louis missouri 63140 United States
63122Kirkwood
Kirkwood saint louis missouri 63122 United States
63025La Barque Crk
La Barque Crk saint louis missouri 63025 United States
63124Ladue
Ladue saint louis missouri 63124 United States
63040Lake Chesterfield
Lake Chesterfield saint louis missouri 63040 United States
63145Lambert Airport
Lambert Airport saint louis missouri 63145 United States
63145Lambert Arprt
Lambert Arprt saint louis missouri 63145 United States
63125Lemay
Lemay saint louis missouri 63125 United States
63011Manchester
Manchester saint louis missouri 63011 United States
63143Maplewood
Maplewood saint louis missouri 63143 United States
63099Maritz Inc
Maritz Inc saint louis missouri 63099 United States
63043Maryland Heights
Maryland Heights saint louis missouri 63043 United States
63129Mehlville
Mehlville saint louis missouri 63129 United States
63136Moline Acres
Moline Acres saint louis missouri 63136 United States
63167Monsanto
Monsanto saint louis missouri 63167 United States
63026Murphy
Murphy saint louis missouri 63026 United States
63121Normandy
Normandy saint louis missouri 63121 United States
63137North County
North County saint louis missouri 63137 United States
63074Northwest Plaza
Northwest Plaza saint louis missouri 63074 United States
63121Northwoods
Northwoods saint louis missouri 63121 United States
63122Oakland
Oakland saint louis missouri 63122 United States
63129Oakville
Oakville saint louis missouri 63129 United States
63132Olivette
Olivette saint louis missouri 63132 United States
63114Overland
Overland saint louis missouri 63114 United States
63133Pagedale
Pagedale saint louis missouri 63133 United States
63121Pasadena Hills
Pasadena Hills saint louis missouri 63121 United States
63121Pasadena Park
Pasadena Park saint louis missouri 63121 United States
63040Pond
Pond saint louis missouri 63040 United States
63117Richmond Heights
Richmond Heights saint louis missouri 63117 United States
63137Riverview
Riverview saint louis missouri 63137 United States
63042Robertson
Robertson saint louis missouri 63042 United States
63119Rock Hill
Rock Hill saint louis missouri 63119 United States
63074Saint Ann
Saint Ann saint louis missouri 63074 United States
63114Saint John
Saint John saint louis missouri 63114 United States
63132Saint Louis
Saint Louis saint louis missouri 63132 United States
63127Sappington
Sappington saint louis missouri 63127 United States
63021Sherman
Sherman saint louis missouri 63021 United States
63119Shrewsbury
Shrewsbury saint louis missouri 63119 United States
63138Spanish Lake
Spanish Lake saint louis missouri 63138 United States
63127Sunset Hills
Sunset Hills saint louis missouri 63127 United States
63025Times Beach
Times Beach saint louis missouri 63025 United States
63017Town And Country
Town And Country saint louis missouri 63017 United States
63088Twin Oaks
Twin Oaks saint louis missouri 63088 United States
63130University City
University City saint louis missouri 63130 United States
63088Valley Park
Valley Park saint louis missouri 63088 United States
63121Velda Village Hills
Velda Village Hills saint louis missouri 63121 United States
63042Vigus
Vigus saint louis missouri 63042 United States
63114Vinita Park
Vinita Park saint louis missouri 63114 United States
63122Warson Woods
Warson Woods saint louis missouri 63122 United States
63119Webster Groves
Webster Groves saint louis missouri 63119 United States
63133Wellston
Wellston saint louis missouri 63133 United States
63131Westwood
Westwood saint louis missouri 63131 United States
63123Wilbur Park
Wilbur Park saint louis missouri 63123 United States
63040Wildwood
Wildwood saint louis missouri 63040 United States
63021Winchester
Winchester saint louis missouri 63021 United States
63134Woodson Terrace
Woodson Terrace saint louis missouri 63134 United States
📋 United States Address and Delivery Guidance
📮
Use a Complete Delivery Address:
Include the recipient name, building or street address, locality, region where applicable, postal code when the destination uses one, and the destination country or territory.
🌍
Follow Local Address Conventions:
Use the language, character set and address order requested by the recipient, official postal operator or carrier. Do not assume every destination uses the same postal-code format.
✅
Verify Before Dispatch:
Confirm the postal code, service coverage and any customs or carrier requirements with the recipient and the relevant official postal operator before shipping.
💡
Delivery Information Is Context-Specific:
Postal codes help routing only in territories that use them. Accurate recipient details remain essential for delivery in every destination.
Postal information, sources and verification
Use this page as a routing reference and confirm the complete address, postal code format and delivery restrictions with the relevant official postal operator or carrier before dispatch.
Editorial and service accountability
This postal-code reference is maintained by the 56ok.com logistics-content team for international shipping preparation. It is reviewed against publicly available postal-operator information; it is not an official postal authority and does not replace carrier or customs instructions.
This reference is maintained as postal and carrier information changes. Need a correction? Contact our team.
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📮United States Postal FAQ and delivery guidance
📮 What is the format of a US ZIP code?
Standard format is 5 digits (e.g., 10001). Extended format is ZIP+4 (9 digits like 10001-1234) with a hyphen.
🔍 How to find the ZIP code for an address?
Use the USPS ZIP Code Lookup tool by entering the full address on the official USPS website.
⚠️ What happens if I use a wrong ZIP code?
Mail may be delayed, returned, or lost. For important documents, use USPS tracking and verify the ZIP code.
🔄 Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
📦 Is a ZIP code required for international mail to the US?
Absolutely. Always include the US ZIP code at the end of the address (e.g., New York, NY 10001 USA).
