ZIP Code 63302 in Saint Charles, MO

Data Last Updated: January 1, 2026
City:Saint Charles, Missouri
County:Saint Charles County
Timezone:Central (GMT -06:00)
Local Time:12:06:20 AM
Population:No Population Data
Area Codes:314 / 557 / 636
Classification:PO Box
Coordinates:38.7838, -90.4814
Quick Link:
https://www.zip-codes.com/zip-code/63302/zip-code-63302.asp

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63302 - Saint Charles, MO

ZIP Code 63302, Saint Charles

Small Town Unique ZIP No Census Data
LocationSaint Charles County, MO
Area0 sq mi Single Point
Delivery Points722 (382 businesses)
PO Boxes340
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 63301
Key Facts
  • This PO Box ZIP serves Saint Charles's historic downtown, with the neighboring 63301 ZIP code handling street delivery for the area
  • The facility maintains 340 PO Boxes at a single location on 1st Capitol Drive
  • 382 businesses use this ZIP code, reflecting the downtown commercial concentration
  • The post office recorded 150 ZIP+4 records, with 104 for street addresses and 46 for PO Boxes
  • Saint Charles is part of the St. Louis metropolitan area, located in Saint Charles County

Business Services

The facility supports 382 businesses in the downtown commercial district. Many maintain PO Boxes for business mail while receiving packages and standard deliveries at street addresses in the surrounding area. This dual-delivery pattern is common in historic downtown areas where commercial activity concentrates around a central post office.

Street Name Patterns

Historic Reference

The single street name references Saint Charles's history as Missouri's first state capital from 1821 to 1826.

Nearby Areas

Saint Charles Bridgeton Earth City Maryland Heights Hazelwood

Business & Employment Statistics


ZIP Code 63302 supports both business and residential activity. According to the Business Census (2024), there are 14 business establishments, employing about 224 people with an annual payroll of $27,439,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:3,697Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:14Source: CBP
1st Quarter Payroll:$6,860,000Source: CBP
Annual Payroll:$27,439,000Source: CBP
# of Employees:224Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 63302 is located in Saint Charles County, Missouri, within the St. Louis, MO-IL Metropolitan Statistical Area (CBSA 41180) and Missouri's 3rd Congressional District. This Metro area has a population of 2,809,414 people, about 0.00% of whom live in ZIP Code 63302. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:St. Louis, MO-ILSource: Census
CBSA Number:41180Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:2,809,414Source: Census
MSA:St. Louis, MO-IL MSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:03Source: USPS
Congressional Land Area:6851.54 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:2964082Source: Census
Place Name:St. Charles city; MissouriSource: Census

Adjacent & Nearby ZIP Codes


63303 | | 63301

Schools in ZIP Code 63302


We could not locate which school district 63302 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Lincoln Elem. 625 S 6th St
St Charles, MO 63301
District: St. Charles R-VI School DistrictNearby
St. Charles High 725 N Kingshighway St
St Charles, MO 63301
District: St. Charles R-VI School DistrictNearby
Hardin Middle 1950 Elm St
St Charles, MO 63301
District: St. Charles R-VI School DistrictNearby
Blackhurst Elementary 2000 Elm Street
St. Charles, MO 63301
District: St. Charles R-VI School DistrictNearby
St.charles Early Childhood Ctr 1301 Boone's Lick Road
St.charles, MO 63301
District: St. Charles R-VI School DistrictNearby
Academy Of The Sacred Heart 619 N 2nd St
Saint Charles, MO 63301
District: Private SchoolNearby
Duchesne High School 2550 Elm St
Saint Charles, MO 63301
District: Private SchoolNearby
St Cletus School 2721 Zumbehl Rd
Saint Charles, MO 63301
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 63302


Lindenwood University 209 S Kingshighway
Saint Charles, MO 63301-1695
Type: Post Secondary
The Salon Professional Academy-St Charles 3141 West Clay Street
St. Charles, MO 63301-1021
Type: Post Secondary
Saint Louis Community College 3221 Mckelvey Road
Bridgeton, MO 63044
Type: Post Secondary
Chamberlain University-Missouri 11830 Westline Industrial Drive, Suite 106
St. Louis, MO 63146
Type: Post Secondary
Bell-Brown Medical Institute 470 Howdershell Road
Florissant, MO 63031-6419
Type: Post Secondary
American Trade School 3925 Industrial Drive
Saint Ann, MO 63074-1807
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on January 1, 2026.

  1. U.S. Postal Service [Last Updated: 1/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 1/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 1/1/2026], https://nces.ed.gov