619
Covers San Diego County, California
In service since 1982
Split from area code 714
Overlay with 858
City facts
El Cajon area code
Area code for San Diego County, California: history, overlays and how to dial.
619
El Cajon uses area code 619. Because more than one area code serves the same area, local calls need all ten digits.
About area code 619
How to call a number in El Cajon
Inside the US
1 (619) 555-0123Dial 1, the area code, then the seven-digit number.Local call
(619) 555-0123Overlay area: always include the area code.From outside the US
+1 619 555 0123Use your country's exit code or +, then 1 for the US.El Cajon is on Pacific Time (PT); check the time before calling from another zone.
Other cities that share 619
Nearby area codes
| Area code | Used in | Distance |
|---|---|---|
| 858 | San Diego | 10 mi |
| 442 | Carlsbad | 30 mi |
| 760 | Carlsbad | 30 mi |
| 951 | Temecula | 49 mi |
El Cajon quick facts
El Cajon was incorporated on November 12, 1912.
Incorporated1912November 12, 1912
CountySan Diego CountyCalifornia
Area code619Population104,909Census ACS estimateZIP codes392019, 92020, 92021Elevation433 ft132 m
Time zonePacific TimePT
Dates, namesake and elevation from Wikipedia: El Cajon, California and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is El Cajon?
El Cajon uses area code 619. Because more than one area code serves the same area, local calls need all ten digits.
When did area code 619 start?
Area code 619 dates from 1982, when it was split from area code 714.
Do I need to dial the area code for local calls in El Cajon?
Yes. 619 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 619 in?
El Cajon is on Pacific Time (PT).
What other cities use area code 619?
Other cities in this network that share 619 include La Mesa, Lemon Grove, San Diego, Coronado, Imperial Beach.
Sources: Area codes 619 and 858 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.