| ZIP Code | 91021 |
| ZIP Code Name | Montrose |
| Primary County | Los Angeles County |
| ZIP Code Type | PO Box |
| Current Time | PDT |
91021 is a United States ZIP Code located in Montrose California. Portions of 91021 are also in La Crescenta-Montrose. 91021 is entirely within Los Angeles County. 91021 is within Metro Los Angeles.
The current unemployment level in 91021 is 4.7%.| Coordinates | 34.20654678,-118.22471619 |
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| Region | Metro Los Angeles |
| Metropolitan/Micropolitan Stat Area | Los Angeles-Long Beach-Anaheim, CA |
| Time Zone | Pacific Daylight Time |
| IANA Timezone | America/Los_Angeles |
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| California State Senate Districts in 91021 | |
| California State Assembly Districts in 91021 |
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