Area Code Profile
314, MO
Browse ZIP codes and key stats for 314, Missouri: population, households, income, education, health coverage, and more.
Area Code details
Local time 00:39:03(CT)| Location | 314, MO |
|---|---|
| Population (ZIP areas) | 1,128,109(sum of local ZIP code populations) |
| Total ZIP codes | 55total |
| ZIP codes (by type) | 55 Standard |
| Overlay codes | |
| Cities Covered | |
| Counties Covered |
Map of area code 314
ZIP codes in area code 314
55 ZIP codes covered by this area code.
Cities served by area code 314
8 cities covered by this area code.
| City | ZIP codes | Median incomeHousehold | Population |
|---|---|---|---|
| Saint Louis | 67 | $56,160 | 301,578 |
| Florissant | 4 | $65,318 | 52,533 |
| Chesterfield | 3 | $133,037 | 49,999 |
| Maryland Heights | 1 | $86,436 | 28,284 |
| Hazelwood | 1 | $55,908 | 25,458 |
| Saint Ann | 1 | $52,323 | 13,019 |
| Bridgeton | 1 | $72,005 | 11,445 |
| Earth City | 1 | — | 7 |
Counties served by area code 314
2 counties covered by this area code.
| County | ZIP codes | Median incomeHousehold | Population |
|---|---|---|---|
| St. Louis County | 89 | $82,936 | 1,004,125 |
| St. Louis County | 0 | $56,160 | 301,578 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS