US location post office
ZIP Code 63121
- Zip Code: 63121
- Type: Standard
- Official USPS city name: Saint Louis
- Official USPS State Code: MO
- Official State Name: Missouri
- ZCTA: TRUE
- Population: 23561.0
- Density: 1268.1
- Primary Official County Code: 29189
- Primary Official County Name: St. Louis
- Official County Name: St. Louis
- Official County Code: 29189
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Chicago (17:14 PM Monday, May 13 2024-05-13 (GMT -0500))
- Geo Point: 38.70721, -90.30136
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