The Apostolic Nunciature of the Holy See in the United States in Washington, D.C., is the diplomatic mission of the Holy See to the United States; it is headed by the Apostolic Nuncio.
Contact Details
| Address | 3339 Massachusetts Avenue, NW, Washington, DC 20008, United States |
| Telephone | +1 202-333-7121 |
| Website | nuntiususa.org |
| Head of Mission | Archbishop Gabriele Giordano Caccia, Apostolic Nuncio |
Opening Hours
| Day | Hours |
|---|---|
| Monday | 09:00 - 16:30 |
| Tuesday | 09:00 - 16:30 |
| Wednesday | 09:00 - 16:30 |
| Thursday | 09:00 - 16:30 |
| Friday | 09:00 - 16:30 |
Hours shown: office hours, according to the nunciature’s official website (checked October 2026). The nunciature is closed on Catholic Church holidays (canon 1246 § 1) and on US public holidays. Closed on public holidays.
Location of the Nunciature
Before your visit
- Location: The nunciature is in Washington, D.C., about 3.9 km in a straight line from the White House; the nearest large airport is Ronald Reagan Washington National Airport (DCA), about 8.5 km away. The nearest Metro station is Woodley Park (about 1.2 km). (distances: OpenStreetMap, airports: FAA passenger boarding data CY 2025)
About the Apostolic Nunciature of the Holy See in the United States
The apostolic nuncio is Archbishop Gabriele Giordano Caccia, who presented the credentials on 21 May 2026, according to the State Department’s Order of Precedence. The Congressional Directory lists no consular offices of the Holy See elsewhere in the United States. In the Holy See, the United States is represented by the U.S. Embassy in Rome (va.usembassy.gov), according to the Congressional Directory.
Other embassies in Washington, D.C.
175 other countries are represented in Washington, D.C., among them: Honduras (embassy), Hungary (embassy), Iceland (embassy), India (embassy), Indonesia (embassy), Iraq (embassy), Ireland (embassy), Israel (embassy), Italy (embassy), Jamaica (embassy), Japan (embassy), Jordan (embassy), Kazakhstan (embassy), Kenya (embassy), Kosovo (embassy), Kuwait (embassy), Kyrgyzstan (embassy), Laos (embassy), Latvia (embassy), South Korea (embassy). The full list of all 176 missions is on the overview page for the United States.
Closing days
The eleven US federal holidays are New Year’s Day, Martin Luther King Jr. Day (third Monday in January), Washington’s Birthday (third Monday in February), Memorial Day (last Monday in May), Juneteenth (19 June), Independence Day (4 July), Labor Day (first Monday in September), Columbus Day (second Monday in October), Veterans Day (11 November), Thanksgiving Day (fourth Thursday in November) and Christmas Day. A holiday that falls on a Saturday is observed on the Friday before, one that falls on a Sunday on the Monday after – in 2027, for example, on 18 June, 5 July and 24 December. The nunciature may also close on public holidays of the Holy See.
Emergency assistance
In the United States, dial 911 for an ambulance, the fire service or the police (GOV.UK travel advice). US citizens who need consular help in the Holy See can contact the U.S. Embassy in Rome.
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Details checked on 21 October 2026. Sources: official website of the nunciature (checked October 2026), Congressional Directory, 119th Congress – Diplomatic Offices (20 February 2026), U.S. Department of State – Diplomatic Corps Order of Precedence (as of 5 October 2026), U.S. Office of Personnel Management – Federal Holidays, GOV.UK foreign travel advice: USA (getting help), nuntiususa.org.
Visitor experiences
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