Covers southern California
In service since 1997
Split from area code 310

City facts
Area code for southern California: history, overlays and how to dial.
Whittier uses area code 562.
Covers southern California
In service since 1997
Split from area code 310
1 (562) 555-0123Dial 1, the area code, then the seven-digit number.555-0123Many areas now require the area code for local calls too; if a seven-digit call fails, add it.+1 562 555 0123Use your country's exit code or +, then 1 for the US.Whittier is on Pacific Time (PT); check the time before calling from another zone.
| Area code | Used in | Distance |
|---|---|---|
| 626 | El Monte | 7 mi |
| 657 | Fullerton | 8 mi |
| 714 | Fullerton | 8 mi |
| 909 | West Covina | 9 mi |
| 323 | South Gate | 10 mi |
| 310 | Carson | 16 mi |
| 424 | Carson | 16 mi |
| 213 | Echo Park | 16 mi |
Whittier was incorporated on February 25, 1898.
Dates, namesake and elevation from Wikipedia: Whittier, California and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Whittier uses area code 562.
Area code 562 dates from 1997, when it was split from area code 310.
Whittier is on Pacific Time (PT).
Other cities in this network that share 562 include Pico Rivera, Norwalk, Downey, Cerritos, Fullerton, Orange County.
Sources: Area code 562 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.