| City: | Saint Louis, Missouri |
| County: | Saint Louis City County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 12:06:00 AM |
| Population: | No Population Data |
| Area Codes: | 314 / 557 |
| Classification: | PO Box |
| Coordinates: | 38.6272, -90.1978 |
| Quick Link: |
While the ZIP appears in postal databases as a standalone code, it doesn't represent a separate geographic area. Instead, it functions as a specialized mailing address for those who prefer or require PO Box service in the city's central business district. Street delivery for the same addresses comes through neighboring ZIP codes, primarily 63103.
Market Street is the sole street reference, reflecting the facility's location in St. Louis's historic downtown commercial corridor.
ZIP Code 63177 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 10 people with an annual payroll of $529,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 432Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $134,000Source: CBP |
| Annual Payroll: | $529,000Source: CBP |
| # of Employees: | 10Source: CBP |
ZIP Code 63177 is located in Saint Louis City County, Missouri, within the St. Louis, MO-IL Metropolitan Statistical Area (CBSA 41180) and Missouri's 1st Congressional District. This Metro area has a population of 2,809,414 people, about 0.00% of whom live in ZIP Code 63177. 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: | 01Source: USPS |
| Congressional Land Area: | 225.36 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2965000Source: Census |
| Place Name: | St. Louis city; MissouriSource: Census |
We could not locate which school district 63177 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.
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 February 1, 2026.