ZIP Codes in Waldorf, MD
Waldorf uses 3 ZIP codes, all in Charles County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Waldorf ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 20601 | standard | Charles | 26,945 |
| 20602 | standard | Charles | 28,331 |
| 20603 | standard | Charles | 31,844 |
Finding a ZIP+4 in Waldorf
Knowing which of these 3 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 Waldorf 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 Waldorf addresses and download it complete.