Saint Louis County, Missouri ZIP Codes

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ZIP Codes in Saint Louis County with Associated Cities & Towns

Saint Louis County, MO - Standard ZIP Codes
63005 | 63011 | 63017 | 63021 | 63025 | 63026 | 63031 | 63033 | 63034 | 63038 | 63040 | 63042 | 63043 | 63044 | 63045 | 63049 | 63069 | 63074 | 63088 | 63103 | 63105 | 63112 | 63114 | 63117 | 63119 | 63120 | 63121 | 63122 | 63123 | 63124 | 63125 | 63126 | 63127 | 63128 | 63129 | 63130 | 63131 | 63132 | 63133 | 63134 | 63135 | 63136 | 63137 | 63138 | 63140 | 63141 | 63143 | 63144 | 63146 | 63147
Saint Louis County, MO - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)
63006 | 63022 | 63024 | 63032 | 63145 | 63151
Saint Louis County, MO - Unique - Single Entity ZIP Codes (NO DEMOGRAPHIC DATA)
63099 | 63167
Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.

ZIP Codes in Saint Louis County Address Data

  • Businesses Addresses: 39,967
  • PO Box Addresses: 7,988
  • Residential Addresses: 472,709
    • Multi-Family Addresses: 73,879
    • Single Family Addresses: 397,332

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Map of Saint Louis County, MO ZIP Codes With Actual (Default) City Names

Ballwin
Bridgeton
Chesterfield
Earth City
Eureka
Fenton
Florissant
Hazelwood
Maryland Heights
Saint Ann
Saint Louis
Valley Park
Wildwood


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