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ZIP code 63303

Saint Charles, MO · St. Charles County

About ZIP code 63303

  • ZIP code 63303 is in Saint Charles, St. Charles County, Missouri.
  • About 46,089 people live in it, which is 900.8 people per square mile.
  • Time zone: Central Standard Time.
  • The middle of the ZIP code is at 38.740, -90.543.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

St. Charles, MO

ZIP code 63303 is the post office name for St. Charles, MO. 71,508 people live in St. Charles. Typical household income is $85,937. A typical home costs $298,700.

  • Stronger than most towns on: Airport access, Home internet and working from home and State taxes.
  • Weaker than most towns on: Clean air and low disaster risk, Cost of living and Space and yard size.

See all figures for St. Charles

Other ZIP codes in St. Charles

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.