ZIP Codes in Santa Maria, CA
Santa Maria uses 3 ZIP codes, all in Santa Barbara County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Santa Maria ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 93454 | standard | Santa Barbara | 41,896 |
| 93455 | standard | Santa Barbara | 44,611 |
| 93458 | standard | Santa Barbara | 59,148 |
Finding a ZIP+4 in Santa Maria
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 Santa Maria 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 Santa Maria addresses and download it complete.