Pomona California ZIP Codes
Pomona holds 4 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in Pomona
| ZIP code | County |
|---|---|
| 91766 | Los Angeles County |
| 91767 | Los Angeles County |
| 91768 | Los Angeles County |
| 91769 | Los Angeles County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Pomona codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Pomona. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Pomona ZIP code begins 917. Those first three digits identify the sectional center facility that processes mail for this part of California. Statewide that range covers 64 ZIP codes, so Pomona accounts for 6% of it.
Every California ZIP prefix and the region it covers →
Area codes covering Pomona
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Pomona occupies.
Pomona California area codes in full →
Where Pomona's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Pomona
| City | Distance | ZIP codes |
|---|---|---|
| Montclair California ZIP codes | 3.7 mi | 1 ZIP code |
| La Verne California ZIP codes | 4.3 mi | 1 ZIP code |
| San Dimas California ZIP codes | 4.4 mi | 1 ZIP code |
| Diamond Bar California ZIP codes | 5.1 mi | 1 ZIP code |
| Claremont California ZIP codes | 5.3 mi | 1 ZIP code |
| Walnut California ZIP codes | 5.6 mi | 2 ZIP codes |
| Upland California ZIP codes | 7.0 mi | 3 ZIP codes |
| Covina California ZIP codes | 7.3 mi | 3 ZIP codes |
Straight-line distance between place reference points, not driving distance.