| City: | Lisbon, Maryland |
| County: | Howard County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 10:02:30 PM |
| Population: | No Population Data |
| Area Codes: | 410 / 443 / 667 |
| Classification: | PO Box |
| Coordinates: | 39.3130, -77.0017 |
| Quick Link: |
ZIP code 21765 serves Lisbon, Maryland, a small community in Howard County located at a postal facility on Hopkins Alley. This is a PO Box ZIP code with no street delivery addresses within the ZIP itself. The 82 delivery points are split between 81 PO Boxes and a single named building entry for the Postmaster location. The facility serves as a PO Box hub for residents and businesses in the surrounding area who receive their street delivery under the neighboring 21797 ZIP code.
The post office maintains boxes for 77 businesses alongside residential customers. Hopkins Alley represents the sole street record in the ZIP4 database, with 32 unit-based delivery points that reflect the internal structure of the postal facility itself rather than residential addresses. This setup is typical of small Maryland communities where a centralized post office provides PO Box services while street delivery happens under separate ZIP codes that cover broader geographic areas.
The single street name in this ZIP reflects the postal facility itself rather than a residential neighborhood. Hopkins Alley houses the Lisbon post office building where PO Box services are centralized.
ZIP Code 21765 supports both business and residential activity. According to the Business Census (2024), there are 12 business establishments, employing about 31 people with an annual payroll of $1,194,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 152Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 12Source: CBP |
| 1st Quarter Payroll: | $359,000Source: CBP |
| Annual Payroll: | $1,194,000Source: CBP |
| # of Employees: | 31Source: CBP |
ZIP Code 21765 is located in Howard 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 2,710,489 people, about 0.00% of whom live in ZIP Code 21765. 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: | 2,710,489Source: 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: | 2447250Source: Census |
| Place Name: | Lisbon CDP; MarylandSource: Census |
We could not locate which school district 21765 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 March 1, 2026.