| City: | Manitowoc, Wisconsin |
| County: | Manitowoc County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 9:10:16 PM |
| Population: | No Population Data |
| Area Codes: | 274 / 920 |
| Classification: | PO Box |
| Coordinates: | 44.0888, -87.6578 |
| Quick Link: |
The facility operates as a standard post office classification with city delivery infrastructure available in the surrounding area. About 259 businesses use this location for their mailing addresses. While the ZIP code shows no land area in postal records, that's a data artifact of its PO Box-only designation rather than a geographic reality. Customers who maintain boxes here do so by choice, not necessity, since home delivery exists through adjacent ZIP codes serving Manitowoc's residential streets.
No street delivery routes exist within this ZIP code. Street addresses in Manitowoc are served by the neighboring ZIP code 54220.
ZIP Code 54221 supports both business and residential activity. According to the Business Census (2024), there are 34 business establishments, employing about 1,555 people with an annual payroll of $105,701,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,726Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 34Source: CBP |
| 1st Quarter Payroll: | $23,563,000Source: CBP |
| Annual Payroll: | $105,701,000Source: CBP |
| # of Employees: | 1,555Source: CBP |
ZIP Code 54221 is located in Manitowoc County, Wisconsin, within the Manitowoc, WI Metropolitan Statistical Area (CBSA 31820) and Wisconsin's 6th Congressional District. This Micro area has a population of 81,314 people, about 0.00% of whom live in ZIP Code 54221. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Manitowoc, WISource: Census |
| CBSA Number: | 31820Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 81,314Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 06Source: USPS |
| Congressional Land Area: | 4918.39 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 5548500Source: Census |
| Place Name: | Manitowoc city; WisconsinSource: Census |
We could not locate which school district 54221 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 January 1, 2026.