Rancho Cucamonga, CA Area Codes
Rancho Cucamonga is served by area codes 840 and 909. It is in California, San Bernardino County. About 175,531 people live in its 5 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 840, 909 |
| State / province | California |
| County | San Bernardino County |
| Population | 175,531 |
| ZIP codes | 5 |
| Time zone | Pacific |
| Coordinates | 34.1313, -117.5739 |
What area code is Rancho Cucamonga in?
ZIP codes in the code footprint
91701, 91729, 91730, 91737, 91739
Nearby towns and their area codes
Upland 840, 909Ontario 840, 909Fontana 840, 909Claremont 840, 909Montclair 840, 909Mira Loma 951Rialto 840, 909La Verne 840, 909
How to dial
Dial 840 + 7 digits for a number in Rancho Cucamonga, or +1 840 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.