ZIP Codes in Pomona, CA
Pomona uses 3 ZIP codes, all in Los Angeles County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Pomona ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 91766 | standard | Los Angeles | 69,327 |
| 91767 | standard | Los Angeles | 49,152 |
| 91768 | standard | Los Angeles | 34,200 |
Finding a ZIP+4 in Pomona
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 Pomona 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 Pomona addresses and download it complete.