Walnut, California | Zip Codes | Area Codes
Area Codes in Walnut, California
Country Calling Code: +1
| Area Code | City | Administrative Region | Country Or Region | City Population | Timezone | Time | UTC |
|---|---|---|---|---|---|---|---|
| 213 | Los Angeles | California | United States | 3.8 million | Pacific Time | 4:54 PM Sat | UTC-07 |
| 310 | Los Angeles | California | United States | 3.8 million | Pacific Time | 4:54 PM Sat | UTC-07 |
| 323 | Los Angeles | California | United States | 3.8 million | Pacific Time | 4:54 PM Sat | UTC-07 |
| 415 | San Francisco | California | United States | 805,235 | Pacific Time | 4:54 PM Sat | UTC-07 |
| 626 | Pasadena, California | California | United States | 137,122 | Pacific Time | 4:54 PM Sat | UTC-07 |
| 909 | San Bernardino, California | California | United States | 209,924 | Pacific Time | 4:54 PM Sat | UTC-07 |
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