ZIP Code 91109 is located in Pasadena California. 91109 is entirely within Los Angeles County. Regionally, 91109 is located in Metro Los Angeles.
| ZIP Code Name | Pasadena |
| Primary County | Los Angeles County |
| ZIP Code Type | PO Box |
| Current Time | PDT |
| Coordinates | 34.15549088,-118.15465546 |
| Adjacent ZIP Codes | |
| Neighborhoods in 91109 | |
| Region | Metro Los Angeles |
| Metropolitan/Micropolitan Stat Area | Los Angeles-Long Beach-Anaheim, CA |
| Time Zone | Pacific Daylight Time |
| IANA Timezone | America/Los_Angeles |
| School Districts in 91109 | |
| Elementary Schools in 91109 | |
| Middle Schools in 91109 | |
| High Schools in 91109 |