ZIP Codes in Greenbelt, MD
Greenbelt 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 Greenbelt ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 20770 | standard | Prince George's | 28,384 |
| 20771 | standard | Prince George's | — |
Finding a ZIP+4 in Greenbelt
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 Greenbelt 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 Greenbelt addresses and download it complete.