ZIP Code 91761
91761 is one of California's ZIP codes, delivering to addresses in Ontario, San Bernardino County.
- City
- Ontario
- County
- San Bernardino County
- State
- California
- Prefix
- 917xx
Where this code sits
91761 is part of the 917xx range, the group of codes handled by one mail processing centre. Ontario is served by 4 ZIP codes in total; the full list, with the county each falls in, is on the Ontario page.
Ontario California ZIP codes →
Area codes over the same ground
Postal and telephone geography are drawn separately, so these codes cover the area 91761 delivers to without sharing its boundary.
ZIP codes nearest 91761
| ZIP code | Distance | Delivers to |
|---|---|---|
| ZIP code 91758 | 2.9 mi | Ontario, CA |
| ZIP code 91743 | 3.0 mi | Guasti, CA |
| ZIP code 91764 | 3.1 mi | Ontario, CA |
| ZIP code 91762 | 3.3 mi | Ontario, CA |
| ZIP code 91710 | 4.0 mi | Chino, CA |
| ZIP code 91729 | 5.4 mi | Rancho Cucamonga, CA |
| ZIP code 91730 | 5.4 mi | Rancho Cucamonga, CA |
| ZIP code 91763 | 5.4 mi | Montclair, CA |
Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope ZIP code 91761. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.