ZIP Code 20146 in Ashburn, VA

Data Last Updated: February 1, 2026
City:Ashburn, Virginia
County:Loudoun County
Timezone:Eastern (GMT -05:00)
Local Time:9:51:03 PM
Population:No Population Data
Area Codes:571 / 703
Classification:PO Box
Coordinates:39.0438, -77.4879
Quick Link:
https://www.zip-codes.com/zip-code/20146/zip-code-20146.asp

Download this data |

Download ZIP Boundaries |

20146 - Ashburn, VA

ZIP Code 20146, Ashburn

Small Town Unique ZIP No Census Data
LocationLoudoun County, VA
Area0 sq mi Single Point
Delivery Points858 (366 businesses)
PO Boxes492
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 20166
Key Facts
  • This ZIP code maintains 492 PO Boxes but has zero recorded population, confirming it serves businesses rather than residents.
  • With 366 business PO Box holders, about 74% of all boxes at this facility are used by commercial entities.
  • The post office is located within the Broad Run Business Center, an industrial and office park in Ashburn.
  • Prentice Drive is the primary street-delivery address, with 107 delivery points that include unit numbers for multi-tenant buildings.
  • Residential customers in the Ashburn area typically use ZIP code 20166 for home delivery, while 20146 handles business mail.
  • The facility includes a Smart Locker installation, representing modern automated package pickup technology for business customers.

Delivery Pattern

The facility provides carrier route service to two street addresses: Prentice Drive and a Smart Locker installation. Prentice Drive includes 107 delivery records with unit numbers, indicating a multi-tenant commercial or office property. This isn't a residential community—it's a business mail center where companies maintain PO Boxes for their corporate correspondence while the surrounding residential areas receive delivery through neighboring ZIP codes like 20166.

Street Name Patterns

Business Center

The street list is minimal by design. Prentice Drive serves as the main address for what appears to be a multi-tenant office or business complex. The Smart Locker installation reflects modern package delivery infrastructure aimed at commercial users.

Nearby Areas

Broad Run Business Center Prospect Industrial Park Four Corners Industrial Park Broad Run Professional Condo Beaumeade

Business & Employment Statistics


ZIP Code 20146 supports both business and residential activity. According to the Business Census (2024), there are 15 business establishments, employing about 47 people with an annual payroll of $2,648,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:840Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:15Source: CBP
1st Quarter Payroll:$470,000Source: CBP
Annual Payroll:$2,648,000Source: CBP
# of Employees:47Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 20146 is located in Loudoun County, Virginia, within the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area (CBSA 47900) and Virginia's 10th Congressional District. This Metro area has a population of 5,582,170 people, about 0.00% of whom live in ZIP Code 20146, and is subdivided into the Arlington-Alexandria-Reston, VA-WV division. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Washington-Arlington-Alexandria, DC-VA-MD-WVSource: Census
CBSA Number:47900Source: Census
CBSA Type:MetroSource: Census
CBSA Division:Arlington-Alexandria-Reston, VA-WV (CBSA Div 11694)Source: Census
CBSA Population:5,582,170Source: Census
MSA:Washington-Baltimore, DC-MD-VA-WV CMSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:10Source: USPS
Congressional Land Area:1372.24 sq miSource: Census
PMSA:Washington, DC-MD-VA-WV PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:5103320Source: Census
Place Name:Ashburn CDP; VirginiaSource: Census

Adjacent & Nearby ZIP Codes


20147 | | 20144

Schools in ZIP Code 20146


We could not locate which school district 20146 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.

Cedar Lane Elementary 43700 Tolamac Dr
Ashburn, VA 20147
District: Loudoun County Public SchoolsNearby
Ashburn Elementary 44062 Fincastle Dr
Ashburn, VA 20147
District: Loudoun County Public SchoolsNearby
Farmwell Station Middle 44281 Gloucester Pkwy
Ashburn, VA 20147
District: Loudoun County Public SchoolsNearby
Trailside Middle 20325 Claiborne Parkway
Ashburn, VA 20147
District: Loudoun County Public SchoolsNearby
Stone Bridge High 43100 Hay Road
Ashburn, VA 20147
District: Loudoun County Public SchoolsNearby
Loudoun School For The Advanced Studies 20577 Ashburn Rd
Ashburn, VA 20147
District: Private SchoolNearby
Loudoun School For Advanced Studies 20577 Ashburn Rd
Ashburn, VA 20147
District: Private SchoolNearby
Hidayah Academy 20424 Ashburn Village Blvd
Ashburn, VA 20147
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 20146


Strayer University-Loudoun Campus 45150 Russell Branch Pky Ste 100
Ashburn, VA 20147
Type: Post Secondary
Divine Mercy University 45154 Underwood Lane
Sterling, VA 20166
Type: Post Secondary
Dermal Science International Aesthetics And Nail Academy 11425 Isaac Newton Square, Suite 200
Reston, VA 20190
Type: Post Secondary
Avi Career Training 10130-A Colvin Run Rd
Great Falls, VA 22066
Type: Post Secondary
Patrick Henry College 10 Patrick Henry Circle
Purcellville, VA 20132
Type: Post Secondary
Columbia College 8620 Westwood Center Drive
Vienna, VA 22182
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 February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], 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: 2/1/2026], https://nces.ed.gov