District of Columbia Postal Codes
District of Columbia, United States · 277 ZIP codes · 1 county
Regions
Search by Map
Interactive map of zip codes in District of Columbia. Just click on the location you desire for a postal code/address for your mails destination.
How to find a ZIP Code in District of Columbia
Not having the right zip code for your postal mail would mean your letters will not reach their destination. Click the location on the map to find your needed postal code or choose the county in the links above for a list of the zip codes available in District of Columbia.
District of Columbia Postal Code Information
About District of Columbia Postal Codes
District of Columbia uses the US 5-digit ZIP code system to help deliver mail efficiently. Our database covers 277 ZIP codes across 1 county in District of Columbia. The largest counties by ZIP-code volume include District of Columbia. Use our lookup tool to find the correct postal code for any address in District of Columbia.
For example, Washington in District of Columbia County is recorded with the ZIP code 20001. Every county in the list above links to its places and ZIP codes.
How to Use
1. Choose a county from the Regions list above
2. Click the location on the map for a postal code
3. Or use the search box at the top of the page
4. View the exact delivery area on the map
Frequently Asked Questions about District of Columbia ZIP Codes
How do I find a ZIP code in District of Columbia?
Choose a county from the Regions list above to see all its places and ZIP codes, or click any location on the interactive map to get the postal code and full address for that point.
How many ZIP codes are there in District of Columbia?
Our database contains 277 ZIP codes across 1 county in District of Columbia, sourced from GeoNames.org and OpenStreetMap.
What is the ZIP code format in District of Columbia?
ZIP codes in District of Columbia follow the standard US 5-digit numeric format (or 9 digits with ZIP+4). The first digit represents a group of states.
