| City: | Waterloo, Iowa |
| County: | Black Hawk County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 7:13:56 AM |
| Population: | No Population Data |
| Area Code: | 319 |
| Classification: | PO Box |
| Coordinates: | 42.4929, -92.3426 |
| Quick Link: |
The 50704 facility operates alongside Waterloo's main postal infrastructure. With 33 establishments employing roughly 4,900 workers in the immediate area, business mail makes up a significant portion of the box activity. The post office provides PO Box service only; residents with street addresses in this part of Waterloo receive home delivery via ZIP code 50703.
The ZIP code references only Sycamore Street in its postal database, indicating this is a PO Box-only facility with a single geographic reference point in downtown Waterloo. The street itself receives delivery through the companion 50703 ZIP code.
ZIP Code 50704 supports both business and residential activity. According to the Business Census (2024), there are 33 business establishments, employing about 4,900 people with an annual payroll of $377,096,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 924Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 33Source: CBP |
| 1st Quarter Payroll: | $70,599,000Source: CBP |
| Annual Payroll: | $377,096,000Source: CBP |
| # of Employees: | 4,900Source: CBP |
ZIP Code 50704 is located in Black Hawk County, Iowa, within the Waterloo-Cedar Falls, IA Metropolitan Statistical Area (CBSA 47940) and Iowa's 2nd Congressional District. This Metro area has a population of 167,819 people, about 0.00% of whom live in ZIP Code 50704. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Waterloo-Cedar Falls, IASource: Census |
| CBSA Number: | 47940Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 167,819Source: Census |
| MSA: | Waterloo-Cedar Falls, IA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 02Source: USPS |
| Congressional Land Area: | 12261.92 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1982425Source: Census |
| Place Name: | Waterloo city; IowaSource: Census |
We could not locate which school district 50704 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.