St. Louis City, located in the state of Missouri, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to St. Louis City, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
63105
63107
63119
63166
63123
63103
63136
63139
63137
63112
63102
63118
63101
63180
63104
63116
63120
63143
63147
63125
63160
63106
63108
63156
63115
63111
63113
63130
63133
63138
63164
63109
63178
63110
63117
63155
63177
63150

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St. Louis City Information

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ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in St. Louis City County?

There are approximately 38 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in St. Louis City overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.