| City: | Annapolis, Maryland |
| County: | Anne Arundel County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:22:49 AM |
| Population: | No Population Data |
| Area Code: | 667 |
| Classification: | PO Box |
| Coordinates: | 38.9785, -76.4928 |
| Quick Link: |
Residents and businesses using 21404 addresses receive their mail at the post office rather than through street delivery. The surrounding area gets carrier service through neighboring ZIP codes, particularly 21401, which handles street delivery for much of central Annapolis. The single street associated with this ZIP, Church Circle, reflects the historic downtown core where the post office operates.
Church Circle is the historic center of Annapolis, where Maryland's colonial-era statehouse and downtown post office converge. The single street name reflects this ZIP's role as a downtown postal facility rather than a residential delivery zone.
ZIP Code 21404 supports both business and residential activity. According to the Business Census (2024), there are 6 business establishments, employing about 166 people with an annual payroll of $5,019,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 2,030Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 6Source: CBP |
| 1st Quarter Payroll: | $1,297,000Source: CBP |
| Annual Payroll: | $5,019,000Source: CBP |
| # of Employees: | 166Source: CBP |
ZIP Code 21404 is located in Anne Arundel County, Maryland, within the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area (CBSA 12580) and Maryland's 3rd Congressional District. This Metro area has a population of 2,839,409 people, about 0.00% of whom live in ZIP Code 21404. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Baltimore-Columbia-Towson, MDSource: Census |
| CBSA Number: | 12580Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 2,839,409Source: Census |
| MSA: | Washington-Baltimore, DC-MD-VA-WV CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 03Source: USPS |
| Congressional Land Area: | 304.14 sq miSource: Census |
| PMSA: | Baltimore, MD PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2401600Source: Census |
| Place Name: | Annapolis city; MarylandSource: Census |
We could not locate which school district 21404 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.