| Primary City | Upland | |
| Population | 73,732 | |
| State | California | |
| County | San Bernardino County | |
| Current Time | ||
| Zip Codes | 91784-91786 | |
| Area Codes | 909 |
Neighbouring Zip Codes
ZIP Code: 91724
Covina, California
ZIP Code: 91710
Chino, California
ZIP Code: 91708
Chino, California
ZIP Code: 91709
Chino Hills, California
ZIP Code: 91711
Claremont, California
ZIP Code: 91789
Walnut, California
ZIP Code: 91765
Diamond Bar, California
ZIP Code: 92704
Santa Ana, California
ZIP Code: 92337
Fontana, California
ZIP Code: 92336
Fontana, California
ZIP Code: 91741
Glendora, California
ZIP Code: 91740
Glendora, California
ZIP Code: 91750
La Verne, California
ZIP Code: 91752
Mira Loma, California
ZIP Code: 91763
Montclair, California
ZIP Code: 91762
Ontario, California
ZIP Code: 91764
Ontario, California
ZIP Code: 91769
Pomona, California
ZIP Code: 91768
Pomona, California
ZIP Code: 91765
Diamond Bar, California
ZIP Code: 91739
Rancho Cucamonga, California
ZIP Code: 91737
Alta Loma, California
ZIP Code: 91730
Rancho Cucamonga, California
ZIP Code: 91701
Alta Loma, California
ZIP Code: 91773
San Dimas, California
Neighbouring Cities
Ontario, Claremont, Rancho Cucamonga, La Verne, Pomona, Chino, San Dimas, Chino Hills, Los Serranos, Diamond Bar, Charter Oak, Mira Loma, Glendora, Glen Avon, Fontana