ZIP Code 20218 in Washington, DC

Data Last Updated: February 1, 2026
City:Washington, District of Columbia
Names to Avoid:
Natl Comm On Social Sec
County:District Of Columbia County
Timezone:Eastern (GMT -05:00)
Local Time:9:51:52 PM
Population:No Population Data
Area Codes:202 / 771
Classification:Unique [Company/Government]
Coordinates:38.8951, -77.0369
Quick Link:
https://www.zip-codes.com/zip-code/20218/zip-code-20218.asp

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20218 - National Communications on Social Sec

Washington, DC | District of Columbia County | Institution

National Communications on Social Sec

Entity TypeInstitution
LocationWashington, DC
CountyDistrict of Columbia
FacilityPost Office
Coordinates38.9021, -77.0453
CoverageSingle point (Coordinates mark the primary delivery location)
Key Facts
  • Exclusive ZIP dedicated to institutional mail
  • Has own Post Office designation
  • 3 buildings including Nat Committee on Social Security, National Committee on Social Security and more
  • Delivers to 1 business address (no residential delivery)
  • Located in the Washington, DC metro area
  • Grassroots advocacy organization founded 1982 to protect Social Security and Medicare
  • Major advocacy group for retirement benefits
Entity Type
Institution
Facility
Post Office
Neighborhood
Dupont Circle
Buildings
3

About ZIP Code 20218

The National Committee to Preserve Social Security and Medicare (NCPSSM) operates under dedicated ZIP code 20218 in Washington, D.C. Founded in 1982, NCPSSM is a grassroots advocacy organization representing millions of members and supporters who want to protect Social Security and Medicare benefits. The organization lobbies Congress, educates the public, and mobilizes citizens on retirement security issues.

Postal records identify 4 delivery points across 3 building designations on K Street within the Dupont Circle neighborhood of Northwest Washington. This long-established designation has served the organization for over two decades. The location on K Street reflects the organization's advocacy mission near Washington's lobbying corridor. Census demographic data is not available for this nonprofit designation. Washington serves as the valid mailing city.

Delivery Points
Residential:0
Business:1

Named Buildings

Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.

Nat Committee on Social Security on K National Committee on Social Security on K National Committee on Social Security on K

Address Format

[Recipient Name]
[Street Address]
WASHINGTON, DC 20218

Business & Employment Statistics


ZIP Code 20218 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:1Source: 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 20218 is located in District Of Columbia County, District of Columbia, within the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area (CBSA 47900) and District of Columbia's 98th Congressional District. This Metro area has a population of 5,582,170 people, about 0.00% of whom live in ZIP Code 20218, and is subdivided into the Washington, DC-MD 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:Washington, DC-MD (CBSA Div 47764)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:98Source: USPS
Congressional Land Area:61.40 sq miSource: Census
PMSA:Washington, DC-MD-VA-WV PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:1150000Source: Census
Place Name:Washington city; District of ColumbiaSource: Census

Adjacent & Nearby ZIP Codes


20219 | | 20217

Schools in ZIP Code 20218


We could not locate which school district 20218 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.

Goodwill Excel Center Pcs 1776 G Street Nw
Washington, DC 20006
District: UnknownNearby
School Without Walls Hs 2130 G St. Nw
Washington, DC 20037
District: District of Columbia Public SchoolsNearby
Basis Dc Pcs 410 8th Street Nw
Washington, DC 20004
District: UnknownNearby
Thomson Es 1200 L St. Nw
Washington, DC 20005
District: District of Columbia Public SchoolsNearby
Thaddeus Stevens Early Learning Center 1050 21st Street Nw
Washington, DC 20036
District: District of Columbia Public SchoolsNearby
Smithsonian Early Enrichment Center 1000 Constitution Ave Nw Nmnh Rm Ce-G50
Washington, DC 20560
District: Private SchoolNearby
The School For Ethics And Global Leadership 1528 18th St Nw
Washington, DC 20036
District: Private SchoolNearby
Fusion Academy Wdc: Washington D.c. 2000 Florida Ave Nw
Washington, DC 20009
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 20218


University Of The Potomac-Washington Dc Campus 1401 H Street Nw
Washington, DC 20005
Type: Post Secondary
Arizona State University - Washington, D.c. 1801 I Street North West
Washington, DC 20006-5407
Type: Post Secondary
The Chicago School At Washington Dc 901 15th St., Nw
Washington, DC 20005
Type: Post Secondary
Newu University 1090 Vermont Ave Nw
Washington, DC 20005
Type: Post Secondary
Career Technical Institute 1101 Vermont Avenue, N.w Suite L002
Washington, DC 20005
Type: Post Secondary
George Washington University 1918 F Street, Nw
Washington, DC 20052
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