ZIP Codes in Aiken, SC
Aiken uses 3 ZIP codes, all in Aiken County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Aiken ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 29801 | standard | Aiken | 31,108 |
| 29803 | standard | Aiken | 40,699 |
| 29805 | standard | Aiken | 4,935 |
Finding a ZIP+4 in Aiken
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 Aiken 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 Aiken addresses and download it complete.