323
Covers Los Angeles metropolitan area
One of the original area codes of 1947
Overlay with 213 and 738
City facts
South Gate area code
Area code for Los Angeles metropolitan area: history, overlays and how to dial.
323
South Gate uses area code 323. Because more than one area code serves the same area, local calls need all ten digits.
About area code 323
How to call a number in South Gate
Inside the US
1 (323) 555-0123Dial 1, the area code, then the seven-digit number.Local call
(323) 555-0123Overlay area: always include the area code.From outside the US
+1 323 555 0123Use your country's exit code or +, then 1 for the US.South Gate is on Pacific Time (PT); check the time before calling from another zone.
Other cities that share 323
Nearby area codes
| Area code | Used in | Distance |
|---|---|---|
| 562 | Downey | 4 mi |
| 310 | Carson | 8 mi |
| 424 | Carson | 8 mi |
| 213 | Echo Park | 10 mi |
| 626 | Alhambra | 11 mi |
| 657 | Fullerton | 16 mi |
| 714 | Fullerton | 16 mi |
| 909 | West Covina | 17 mi |
South Gate quick facts
South Gate was incorporated on January 20, 1923.
Incorporated1923January 20, 1923
CountyLos Angeles CountyCalifornia
Area code323Population91,836Census ACS estimateZIP codes190280Elevation115 ft35 m
Time zonePacific TimePT
Dates, namesake and elevation from Wikipedia: South Gate, California and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is South Gate?
South Gate uses area code 323. Because more than one area code serves the same area, local calls need all ten digits.
When did area code 323 start?
Area code 323 is one of the original North American area codes of 1947.
Do I need to dial the area code for local calls in South Gate?
Yes. 323 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 323 in?
South Gate is on Pacific Time (PT).
What other cities use area code 323?
Other cities in this network that share 323 include Echo Park, Alhambra, West Hollywood, Beverly Hills.
Sources: Area codes 213, 323, and 738 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.