| City: | Washington, District of Columbia |
| Names to Avoid: | Inter American Dev Bank |
| County: | District Of Columbia County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:01 AM |
| Population: | No Population Data |
| Area Codes: | 202 / 771 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 38.8951, -77.0369 |
| Quick Link: |
The Inter-American Development Bank operates under dedicated ZIP code 20577 in Washington, D.C. Established on April 8, 1959, under an initiative by Brazilian President Juscelino Kubitschek, the IDB is the world's oldest and largest regional development bank. The bank provides the primary source of multilateral financing for social and economic development in Latin America and the Caribbean. Financial support reached approximately $23 billion in 2024. This postal designation has served the IDB for over two decades.
Situated in the Dupont Circle area of Northwest Washington, postal records show 8 ZIP+4 codes routing to IDB facilities on Pennsylvania Avenue, New York Avenue, and K Street. The bank operates in four official languages: English, Spanish, Portuguese, and French. The 48 member countries include 26 borrowing members in Latin America and the Caribbean.
Census County Business Patterns reports 10 establishments with 283 employees. Census demographic data is not available for this ZIP. Washington is the valid mailing city for IDB correspondence.
| Establishments: | 10 |
| Employment: | 283 |
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 20577 supports both business and residential activity. According to the Business Census (2024), there are 10 business establishments, employing about 782 people with an annual payroll of $32,961,000. 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: | 10Source: CBP |
| 1st Quarter Payroll: | $9,875,000Source: CBP |
| Annual Payroll: | $32,961,000Source: CBP |
| # of Employees: | 782Source: CBP |
ZIP Code 20577 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 6,263,796 people, about 0.00% of whom live in ZIP Code 20577, 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: | 6,263,796Source: 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 |
We could not locate which school district 20577 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 January 1, 2026.