What is the 858 area code? Everything you need to know.

Area code 858 is the California area code serving the San Diego country.

History: 

In 1982 the area code 619 was formed after its split from area code 714. It was eliminated in 2019 that area code 619 may exhaust. To deal with this matter California Public Utilities Commission approved an overlay. So a ten-digit code was implemented as an 858 code. This area code is expected not to exhaust for 30 years. So San Diego will not run out of numbers till 2043.

Location: 

The area code is located in California state and the major city under this area code in San Diego. 

858 area code

Timezone: 

Pacific time zone is the time zone for this area code and the other name for Pacific time zone is Los Angeles/ America time zone.

Countries included in area code:

COUNTRY TOTAL POPULATION % OF 858% OF COUNTRY 
San Diego 3,095,313100%37%

Cities included in area code: 

CITYTOTAL POPULATION % OF 858% OF CITY
San Diego 1,307,40221%96%
Chula vista 243,9163%100%
El Cajon99,4781%100%
national city 58,5821%100%
La mesa 57,0651%100%
Santee 53,4131%100%
Poway 47,8112%91%
La Presa 34,1690%100%
Spring valley 28,2050%100%
Imperial beach 26,3240%100%
Lemon grove 25,3200%100%
Rancho San Diego 21,2081%100%
Lakeside 20,6480%100%
Winter gardens 20,6310%100%
Coronado 18,9122%100%
Casa de Oro mount helix 18,7620%100%
Bostonia 15,3790%100%
Alpine 14,2362%100%
Solana beach 12,8670%100%
Bonita 12,5380%100%
Jamul 6,1631%100%
Eucalyptus hills 5,3130%100%
Del mar 4,1610%100%
Harbison canyon 3,8411%100%
Fairbanks ranch 3,1480%98%
Granite hills 3,0350%100%
Campo 2,6841%100%
Crest 2,5930%100%
Pine valley 1,5190%100%
Descanso 1,4231%100%
Potrero 6560%100%
Jacumba 5610%100%
Rancho Santa Fe3,1170%18%
Boulevard 3150%100%

Frequently asked questions: 

What area does 858 belong to?

Area code 858 is the California area code serving the San Diego country.

Where does area code 858 come from?

In 1982 the area code 619 was formed after its split from area code 714. It was eliminated in 2019 that area code 619 may exhaust. To deal with this matter California Public Utilities Commission approved an overlay. So a ten-digit code was implemented as an 858 code.

What is the location of the 858 area code?

The area code is located in California state and the major city under this area code is San Diego.

What is the time zone for the 858 area code?

Pacific time zone is the time zone for this area code and the other name for Pacific time zone is Los Angeles/ America time zone.

Conclusion:

Area code 858 is the California area code serving the San Diego country. In 1982 the area code 619 was formed after its split from area code 714. It was eliminated in 2019 that area code 619 may exhaust. To deal with this matter California Public Utilities Commission approved an overlay. So a ten-digit code was implemented as an 858 codeThe area code is located in California state and the major city under this area code in San Diego. Pacific time zone is the time zone for this area code and the other name for the Pacific time zone is Los Angeles/ America time zone.

For more, you may also read area code 805.

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