ZIP Codes in College Park, MD
College Park uses 2 ZIP codes, all in Prince George's County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 College Park ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 20740 | standard | Prince George's | 36,847 |
| 20742 | standard | Prince George's | 4,350 |
Finding a ZIP+4 in College Park
Knowing which of these 2 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 College Park 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 College Park addresses and download it complete.