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Missouri ZIP codes

Missouri has 1,157 ZIP codes (63005–72643) across 938 cities and towns and 115 counties.

ZIP codes
1,157
With delivery area
1,035
Population in ZIPs
6,191,989
Cities & towns
938
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Richest ZIP codes in Missouri Most expensive ZIP codes

Zoom in to see ZIP code boundaries. Click a dot to open a ZIP code, or anywhere else to see which ZIP it's in.

Largest cities in Missouri

Missouri ZIP codes by county

Most populated Missouri ZIP codes

  1. 63376 Saint Peters – 74,962
  2. 65203 Columbia – 61,539
  3. 65807 Springfield – 56,659
  4. 63021 Ballwin – 55,666
  5. 63366 O Fallon – 54,769
  6. 63301 Saint Charles – 52,667
  7. 63129 Saint Louis – 51,553
  8. 63385 Wentzville – 51,330
  9. 63031 Florissant – 50,196
  10. 65201 Columbia – 50,011

All Missouri cities and towns

Frequently asked questions

How many ZIP codes are in Missouri?

Missouri has 1,157 ZIP codes: 1,035 with a delivery area and 122 PO Box or single-organization ZIP codes.

What ZIP codes does Missouri use?

Missouri ZIP codes run from 63005 to 72643.

Which Missouri ZIP code has the most people?

ZIP code 63376 in Saint Peters has the largest population, about 74,962 residents (ACS 2020–2024).