562
Covers southern California
In service since 1997
Split from area code 310
City facts
Fullerton area codes
Area codes for southern California: history, overlays and how to dial.
562657714
Fullerton uses area codes 562, 657 and 714. Because more than one area code serves the same area, local calls need all ten digits.
About these area codes
657
Covers southern California
In service since 2008
Overlay with 714
714
Covers southern California
In service since 1951
Overlay with 657
How to call a number in Fullerton
Inside the US
1 (562) 555-0123Dial 1, the area code, then the seven-digit number.Local call
(562) 555-0123Overlay area: always include the area code.From outside the US
+1 562 555 0123Use your country's exit code or +, then 1 for the US.Fullerton is on Pacific Time (PT); check the time before calling from another zone.
Other cities that share these codes
Nearby area codes
| Area code | Used in | Distance |
|---|---|---|
| 949 | Santa Ana | 10 mi |
| 626 | West Covina | 13 mi |
| 909 | West Covina | 13 mi |
| 323 | South Gate | 16 mi |
| 310 | Carson | 19 mi |
| 424 | Carson | 19 mi |
| 951 | Corona | 21 mi |
| 213 | Echo Park | 23 mi |
Fullerton quick facts
Fullerton was incorporated on February 15, 1904.
Incorporated1904February 15, 1904
CountyOrange CountyCalifornia
Area codes562, 657, 714Population141,278Census ACS estimateZIP codes492831, 92832, 92833…Elevation164 ft50 m
Time zonePacific TimePT
Dates, namesake and elevation from Wikipedia: Fullerton, California and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is Fullerton?
Fullerton uses area codes 562, 657 and 714. Because more than one area code serves the same area, local calls need all ten digits.
When did area code 562 start?
Area code 562 dates from 1997, when it was split from area code 310.
When did area code 657 start?
Area code 657 dates from 2008.
When did area code 714 start?
Area code 714 dates from 1951.
Do I need to dial the area code for local calls in Fullerton?
Yes. 562, 657 and 714 share the same area as an overlay, so every local call needs the area code plus the seven-digit number (ten digits).
What time zone is area code 562 in?
Fullerton is on Pacific Time (PT).
What other cities use area code 562?
Other cities in this network that share 562, 657 and 714 include Cerritos, Whittier, Norwalk, Santa Ana, Westminster, Downey.
Sources: Area code 562, Area codes 714 and 657, Area codes 714 and 657 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.