ZIP Codes in Bethesda, MD
Bethesda uses 6 ZIP codes, all in Montgomery County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 6 Bethesda ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 20814 | standard | Montgomery | 32,795 |
| 20816 | standard | Montgomery | 18,140 |
| 20817 | standard | Montgomery | 37,454 |
| 20889 | standard | Montgomery | 584 |
| 20892 | standard | Montgomery | — |
| 20894 | standard | Montgomery | — |
Finding a ZIP+4 in Bethesda
Knowing which of these 6 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Bethesda street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Bethesda addresses and download it complete.