Official name: Washington District of Columbia
Washington, DC postal code abbreviation: WA
Washington, DC prefix phone numbers:
202 You may also be interested in the answers to the following questions:
Total area: 180 km2
✅ What is the largest city by population in Washington, DC?
- Largest Washington, DC cities by population:
✅ What is the capital of Washington, DC?
- State capital of Washington, DC:
✅ What is the population of Washington, DC?
- Washington, DC state population 2024: 692 683