951
Covers western Riverside County, California
In service since 2004
Split from area code 909
City facts
Corona area codes
Area codes for western Riverside County, California: history, overlays and how to dial.
951909
Corona uses area codes 951 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 Corona
Inside the US
1 (951) 555-0123Dial 1, the area code, then the seven-digit number.Local call
(951) 555-0123Overlay area: always include the area code.From outside the US
+1 951 555 0123Use your country's exit code or +, then 1 for the US.Corona 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 | Orange County | 16 mi |
| 657 | Orange County | 16 mi |
| 714 | Orange County | 16 mi |
| 949 | Orange County | 16 mi |
| 840 | Rancho Cucamonga | 16 mi |
| 760 | San Bernardino | 23 mi |
| 626 | West Covina | 25 mi |
| 323 | Alhambra | 36 mi |
Corona quick facts
CountyRiverside CountyCalifornia
Area codes951, 909Population158,839Census ACS estimateZIP codes492879, 92880, 92881…Elevation679 ft207 m
Time zonePacific TimePT
Dates, namesake and elevation from Wikipedia: Corona, California and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is Corona?
Corona uses area codes 951 and 909. Because more than one area code serves the same area, local calls need all ten digits.
When did area code 951 start?
Area code 951 dates from 2004, when it was split from area code 909.
When did area code 909 start?
Area code 909 dates from 1992.
Do I need to dial the area code for local calls in Corona?
Yes. 951 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 951 in?
Corona is on Pacific Time (PT).
What other cities use area code 951?
Other cities in this network that share 951 and 909 include Jurupa Valley, Rancho Cucamonga, Fontana, Moreno Valley, Perris, San Bernardino.
Sources: Area code 951, 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.