ZIP Code 20149 in Ashburn, VA

Data Last Updated: December 1, 2025
City:Ashburn, Virginia
Names to Avoid:
Natl Assn Letter Carriers
County:Loudoun County
Timezone:Eastern (GMT -05:00)
Local Time:4:07:00 PM
Population:No Population Data
Area Codes:703 / 571
Classification:Unique [Company/Government]
Coordinates:39.0438, -77.4879
Quick Link:
https://www.zip-codes.com/zip-code/20149/zip-code-20149.asp

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20149 - National Association Letter Carriers

Ashburn, VA | Loudoun County | Institution

National Association Letter Carriers

Entity TypeInstitution
LocationAshburn, VA
CountyLoudoun
FacilityPost Office
Coordinates39.0478, -77.4406
CoverageSingle point (Coordinates mark the primary delivery location)
Key Facts
  • Unique postal code for single organization
  • USPS Post Office classification
  • Delivers to 1 business address (no residential delivery)
  • Located in the Washington, DC metro area
  • Founded 1889, represents 289,000 city letter carriers across 2,500 local branches
  • AFL-CIO affiliated union for USPS city letter carriers
Entity Type
Institution
Facility
Post Office
Neighborhood
Loudoun Square
Delivery Type
Business

About ZIP Code 20149

The National Association of Letter Carriers (NALC), the labor union representing city delivery letter carriers employed by the United States Postal Service, operates under dedicated ZIP code 20149 in Ashburn, Virginia. Founded in 1889, the NALC represents approximately 289,000 city letter carriers across 2,500 local branches in all 50 states and U.S. territories. Members deliver mail six days a week to more than 152 million homes and businesses nationwide.

This long-established postal designation has served the organization for over two decades, routing correspondence to the Loudoun Square area of Ashburn. The facility likely handles membership services, contract administration, and correspondence related to the 2023-2026 NALC-USPS National Agreement. Census demographic data is not available for this commercial designation. Ashburn serves as the valid mailing city.

Delivery Points
Residential:0
Business:1

Address Format

[Recipient Name]
[Street Address]
ASHBURN, VA 20149

Business & Employment Statistics


ZIP Code 20149 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:1Source: USPS
Total Delivery Receptacles:12,771Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:0Source: CBP
1st Quarter Payroll:$0Source: CBP
Annual Payroll:$0Source: CBP
# of Employees:0Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 20149 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 6,263,796 people, about 0.00% of whom live in ZIP Code 20149, 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:6,263,796Source: 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


20151 | | 20148

Schools in ZIP Code 20149


We could not locate which school district 20149 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 Elem 43700 Tolamac Dr
Ashburn, VA 20147
District: Loudoun County Public SchoolsNearby
Ashburn Elem 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 Advanced Studies 20577 Ashburn Rd
Ashburn, VA 20147
District: Private SchoolNearby
Golden Pond School 43940 Farmwell Hunt Plz
Ashburn, VA 20147
District: Private SchoolNearby
St Theresa Catholic School 21370 St Theresa Ln
Ashburn, VA 20147
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 20149


Strayer University-Loudoun Campus 45150 Russell Branch Pky Ste 200
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
Jolie Hair Academy 10134 Colvin Run Road
Great Falls, VA 22066-1841
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

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 December 1, 2025.

  1. U.S. Postal Service [Last Updated: 12/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 12/1/2025], 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 2011-2023 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: 12/1/2025], https://nces.ed.gov