| City: | Ocean City, Maryland |
| County: | Worcester County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 10:03:15 PM |
| Population: | No Population Data |
| Area Codes: | 410 / 443 / 667 |
| Classification: | PO Box |
| Coordinates: | 38.3898, -75.0842 |
| Quick Link: |
ZIP code 21843 serves the commercial heart of Ocean City, Maryland. This isn't a residential ZIP. It's a point-only designation contained entirely within the larger 21842 ZIP code, handling mail for businesses along the resort town's busiest corridors.
The post office maintains 515 PO Boxes here, serving 284 businesses and 21 establishments with 114 employees. Philadelphia Avenue accounts for 85 address records, while Coastal Highway has 79. Both streets use unit designations for their multi-tenant commercial buildings. These are Ocean City's main commercial arteries, lined with shops, restaurants, and beach services.
Ocean City is Maryland's premier beach destination, drawing millions of visitors each summer. The 21843 ZIP handles business mail for the commercial strip while 21842 covers the residential areas, condominiums, and hotels. Two city carrier routes manage deliveries to the commercial addresses.
This ZIP isn't a PO Box Only Zone. Street delivery exists via the two urban routes. Many businesses maintain PO Boxes for reliability during the hectic summer season when temporary staff and high mail volumes can complicate street delivery.
Both streets are Ocean City's main commercial arteries with multi-unit retail and service businesses.
ZIP Code 21843 supports both business and residential activity. According to the Business Census (2024), there are 22 business establishments, employing about 137 people with an annual payroll of $8,066,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 2,929Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 22Source: CBP |
| 1st Quarter Payroll: | $1,119,000Source: CBP |
| Annual Payroll: | $8,066,000Source: CBP |
| # of Employees: | 137Source: CBP |
ZIP Code 21843 is located in Worcester County, Maryland, within the Ocean Pines, MD Metropolitan Statistical Area (CBSA 36180) and Maryland's 1st Congressional District. This Micro area has a population of 51,454 people, about 0.00% of whom live in ZIP Code 21843. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Ocean Pines, MDSource: Census |
| CBSA Number: | 36180Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 51,454Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 01Source: USPS |
| Congressional Land Area: | 3977.06 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2458225Source: Census |
| Place Name: | Ocean City town; MarylandSource: Census |
We could not locate which school district 21843 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.