626
Covers San Gabriel Valley of California
In service since 1997
Split from area code 818
City facts
West Covina area codes
Area codes for San Gabriel Valley of California: history, overlays and how to dial.
626909
West Covina uses area codes 626 and 909. Because more than one area code serves the same area, local calls need all ten digits.
About these area codes
909
Covers southern California
In service since 1992
Overlay with 840
How to call a number in West Covina
Inside the US
1 (626) 555-0123Dial 1, the area code, then the seven-digit number.Local call
(626) 555-0123Overlay area: always include the area code.From outside the US
+1 626 555 0123Use your country's exit code or +, then 1 for the US.West Covina 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 |
|---|---|---|
| 562 | Whittier | 9 mi |
| 323 | Alhambra | 11 mi |
| 657 | Fullerton | 13 mi |
| 714 | Fullerton | 13 mi |
| 213 | Echo Park | 18 mi |
| 840 | Rancho Cucamonga | 20 mi |
| 949 | Santa Ana | 23 mi |
| 310 | Carson | 24 mi |
West Covina quick facts
West Covina was incorporated on February 17, 1923.
Incorporated1923February 17, 1923
CountyLos Angeles CountyCalifornia
Area codes626, 909Population107,436Census ACS estimateZIP codes391790, 91791, 91792Elevation384 ft117 m
Time zonePacific TimePT
Dates, namesake and elevation from Wikipedia: West Covina, California and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is West Covina?
West Covina uses area codes 626 and 909. Because more than one area code serves the same area, local calls need all ten digits.
When did area code 626 start?
Area code 626 dates from 1997, when it was split from area code 818.
When did area code 909 start?
Area code 909 dates from 1992.
Do I need to dial the area code for local calls in West Covina?
Yes. 626 and 909 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 626 in?
West Covina is on Pacific Time (PT).
What other cities use area code 626?
Other cities in this network that share 626 and 909 include El Monte, Alhambra, Rancho Cucamonga, Corona, Fontana, San Bernardino.
Sources: Area code 626, Area codes 909 and 840 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.