ZIP Code 21803 in Salisbury, MD

Data Last Updated: March 1, 2026
City:Salisbury, Maryland
County:Wicomico County
Timezone:Eastern (GMT -05:00)
Local Time:10:02:58 PM
Population:No Population Data
Area Codes:410 / 443 / 667
Classification:PO Box
Coordinates:38.3609, -75.5997
Quick Link:
https://www.zip-codes.com/zip-code/21803/zip-code-21803.asp

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21803 Salisbury, MD - Downtown Commercial District

ZIP Code 21803, Salisbury

Small Town Unique ZIP No Census Data
LocationWicomico County, MD
Area0 sq mi Single Point
Delivery Points226 (1 homes, 141 businesses)
PO Boxes84
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 21801
Key Facts
  • This ZIP code is classified as PO Box only but includes street delivery to E Main St through 2 city carrier routes
  • Zero residential population lives within this ZIP's boundaries, which function as a point location within greater Salisbury
  • All 73 street delivery records concentrate on E Main St with unit-based addresses, indicating a commercial building or complex
  • The ZIP is enclosed within 21801, the standard Salisbury ZIP that handles the city's residential delivery
  • 84 PO Boxes and 141 business delivery points serve commercial and business needs in this downtown district

Commercial Focus

ZIP code 21803 serves a commercial district within Salisbury, Maryland, focusing exclusively on East Main Street. This ZIP has no residential population of its own, functioning instead as a business and PO Box service point within the larger Salisbury area. The post office maintains 84 PO Boxes alongside 141 business delivery points.

Single-Street Service Area

All 73 street delivery records concentrate on a single address: E Main St, with deliveries organized by unit numbers. This pattern indicates a commercial building or complex rather than dispersed addresses. The ZIP operates as a point location within the standard Salisbury ZIP 21801, which handles the city's residential delivery.

Business Services

With 6 business establishments employing 31 people, this ZIP serves a modest commercial function. Street delivery exists here through 2 city carrier routes, but the PO Box classification reflects its specialized role as a business service point rather than a residential community.

Street Name Patterns

Single Street Commercial

The entire ZIP concentrates on E Main St with unit-based commercial deliveries.

Business & Employment Statistics


ZIP Code 21803 supports both business and residential activity. According to the Business Census (2024), there are 4 business establishments, employing about 22 people with an annual payroll of $844,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:223Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:4Source: CBP
1st Quarter Payroll:$216,000Source: CBP
Annual Payroll:$844,000Source: CBP
# of Employees:22Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 21803 is located in Wicomico County, Maryland, within the Salisbury, MD Metropolitan Statistical Area (CBSA 41540) and Maryland's 1st Congressional District. This Metro area has a population of 125,203 people, about 0.00% of whom live in ZIP Code 21803. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Salisbury, MDSource: Census
CBSA Number:41540Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:125,203Source: 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:2469925Source: Census
Place Name:Salisbury city; MarylandSource: Census

Adjacent & Nearby ZIP Codes


21804 | | 21802

Schools in ZIP Code 21803


We could not locate which school district 21803 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.

Prince Street School 400 Prince Street
Salisbury, MD 21804
District: Wicomico County Public SchoolsNearby
Wicomico Middle 635 E Main St
Salisbury, MD 21804
District: Wicomico County Public SchoolsNearby
Pinehurst Elementary 520 S Pinehurst Ave
Salisbury, MD 21801
District: Wicomico County Public SchoolsNearby
Charles H. Chipman Elementary 711 Lake St
Salisbury, MD 21801
District: Wicomico County Public SchoolsNearby
Wicomico High 201 Long Avenue
Salisbury, MD 21804
District: Wicomico County Public SchoolsNearby
St Francis De Sales Catholic School 500 Camden
Salisbury, MD 21801
District: Private SchoolNearby
Asbury Child Development Center 1401 Camden Ave
Salisbury, MD 21801
District: Private SchoolNearby
Bundles Of Joy University 1409 S Division St
Salisbury, MD 21804
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 21803


Salisbury University 1101 Camden Ave
Salisbury, MD 21801-6862
Type: Post Secondary
Del-Mar-Va Beauty Academy 111 Milford St
Salisbury, MD 21804-6952
Type: Post Secondary
Wor-Wic Community College 32000 Campus Drive
Salisbury, MD 21804-7131
Type: Post Secondary
University Of Maryland Eastern Shore J.t. Williams Hall
Princess Anne, MD 21853-1299
Type: Post Secondary
Delaware Learning Institute Of Cosmetology 32448 Royal Blvd. Suite A
Dagsboro, DE 19939
Type: Post Secondary
Delaware Technical Community College-Owens Route 18, Seashore Highway Po Box 610
Georgetown, DE 19947
Type: Post Secondary

Sources & References


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.

  1. U.S. Postal Service [Last Updated: 3/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 3/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 3/1/2026], https://nces.ed.gov