ZIP Codes in Silver Spring, MD
Silver Spring uses 7 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 7 Silver Spring ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 20901 | standard | Montgomery | 36,435 |
| 20902 | standard | Montgomery | 54,261 |
| 20903 | standard | Montgomery | 24,815 |
| 20904 | standard | Montgomery | 58,646 |
| 20905 | standard | Montgomery | 19,004 |
| 20906 | standard | Montgomery | 70,595 |
| 20910 | standard | Montgomery | 45,943 |
Finding a ZIP+4 in Silver Spring
Knowing which of these 7 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 Silver Spring 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 Silver Spring addresses and download it complete.