858 Area Code

Q: When was the 858 area code created?

It was established in 1999 as a split from area code 619.

The 858 area code is a telephone area code in the state of California, USA. It was established in 1999 as a split from the 619 area code. The 858 area code primarily serves the northern part of San Diego County, including cities such as San Diego (northern neighborhoods), La Jolla, Del Mar, and Rancho Santa Fe.

Understanding the 858 Area Code

The 858 area code covers suburban and coastal regions in northern San Diego County. This area is known for its technology centers, research institutions, and coastal communities. La Jolla, with the University of California San Diego (UCSD), is a major hub within this area code, while northern San Diego neighborhoods and communities like Del Mar and Rancho Santa Fe contribute to residential and commercial development.

858 Area Code Map and Location

The 858 area code map spans several communities and neighborhoods, including:

San Diego (northern neighborhoods)
La Jolla
Del Mar
Rancho Santa Fe
Carmel Valley
Poway
Solana Beach

Major Cities and Regions in the 858 Area Code

San Diego (northern neighborhoods)
La Jolla
Del Mar
Rancho Santa Fe
Carmel Valley
Poway
Solana Beach
University City
Torrey Pines

ZIP Codes in the 858 Area Code

Some common ZIP codes include:

92037 - La Jolla, CA
92130 - Carmel Valley, CA
92075 - Poway, CA
92014 - Del Mar, CA
92067 - Rancho Santa Fe, CA
92024 - Encinitas, CA
92122 - University City, San Diego, CA
92011 - Carmel Valley, CA
92008 - Carlsbad, CA

Time Zone

The 858 area code is located in the Pacific Time Zone (PT):

Standard Time: UTC -8
Daylight Saving Time: UTC -7

Dialing & Phone Service

Overlay Code: None
Local Dialing: 10-digit dialing is required
Long-Distance: 1 + 858 + 7-digit number
International: +1 858 + local number
Services: Landline, Mobile, VoIP, Business

What Area Code is 858? / Where is Area Code 858?

What area code is 858? � The 858 area code is a California telephone area code serving the northern part of San Diego County.

Where is area code 858 located? � The 858 area code is located in northern San Diego County, California, USA, including neighborhoods and cities such as La Jolla, Del Mar, and Rancho Santa Fe.

Frequently Asked Questions (FAQ)

What is the 858 area code?

The 858 area code is a telephone area code serving northern San Diego County, including La Jolla, Del Mar, and Rancho Santa Fe.

When was the 858 area code created?

It was established in 1999 as a split from area code 619.

Where is area code 858 located?

It serves northern San Diego County, including La Jolla, Del Mar, Rancho Santa Fe, and Carmel Valley.

Does 858 have overlays?

No, the 858 area code does not currently have an overlay code.

What time zone is 858 in?

Pacific Time Zone (PT).

Feature	Details
Area Code	858
State	California
Region Covered	Northern San Diego County
Established	1999
Overlay Code	None
Time Zone	Pacific Time Zone (PT)
Major Cities	La Jolla, Del Mar, Rancho Santa Fe, Carmel Valley, Poway
ZIP Codes	92037 - 92122
Services	Landline, Mobile, VoIP, Business
Dialing Format	+1 858 XXX XXXX
Country	United States

Ares Code	Office / Place	Address
858 Area Code	University of California San Diego (UCSD)	9500 Gilman Dr, La Jolla, CA 92093
858 Area Code	San Diego State University � North Campus	5500 Campanile Dr, San Diego, CA 92182
858 Area Code	Scripps College	2900 Torrey Pines Scenic Dr, La Jolla, CA 92037
858 Area Code	Palomar College � San Marcos Campus	1140 W Mission Rd, San Marcos, CA 92069
858 Area Code	Alliant International University	10455 Pomerado Rd, San Diego, CA 92131
858 Area Code	Scripps Green Hospital	10666 N Torrey Pines Rd, La Jolla, CA 92037
858 Area Code	UCSD Medical Center	200 W Arbor Dr, San Diego, CA 92103
858 Area Code	Palomar Health Poway Campus	13111 Poway Rd, Poway, CA 92064
858 Area Code	Scripps Memorial Hospital La Jolla	9888 Genesee Ave, La Jolla, CA 92037
858 Area Code	Scripps Clinic Carmel Valley	354 Santa Fe Dr, San Diego, CA 92130
858 Area Code	Bank of America	5205 La Jolla Blvd, San Diego, CA 92037
858 Area Code	Chase Bank	10375 Torrey Pines Rd, La Jolla, CA 92037
858 Area Code	Wells Fargo Bank	13601 Poway Rd, Poway, CA 92064
858 Area Code	PNC Bank	1400 Camino Del Mar, Del Mar, CA 92014
858 Area Code	TD Bank	12544 High Bluff Dr, San Diego, CA 92130
858 Area Code	San Diego County Government Center	1600 Pacific Hwy, San Diego, CA 92101
858 Area Code	La Jolla Community Center	6811 La Jolla Blvd, La Jolla, CA 92037
858 Area Code	Poway City Hall	13325 Civic Center Dr, Poway, CA 92064
858 Area Code	Del Mar City Hall	1050 Camino Del Mar, Del Mar, CA 92014
858 Area Code	Carmel Valley Community Center	3777 Townsgate Dr, San Diego, CA 92130
858 Area Code	Balboa Park	1549 El Prado, San Diego, CA 92101
858 Area Code	La Jolla Shores Park	8300 Camino Del Oro, La Jolla, CA 92037
858 Area Code	Poway Community Park	13094 Civic Center Dr, Poway, CA 92064
858 Area Code	Powerhouse Park	1658 Coast Blvd, Del Mar, CA 92014
858 Area Code	Carmel Valley Community Park	3777 Townsgate Dr, San Diego, CA 92130
858 Area Code	San Diego Museum of Art	1450 El Prado, San Diego, CA 92101
858 Area Code	Birch Aquarium	2300 Expedition Way, La Jolla, CA 92037
858 Area Code	Poway Historical Museum	16525 Espola Rd, Poway, CA 92064
858 Area Code	Del Mar Racetrack	2260 Jimmy Durante Blvd, Del Mar, CA 92014
858 Area Code	Torrey Pines State Natural Reserve	12600 N Torrey Pines Rd, La Jolla, CA 92037
858 Area Code	Westfield UTC Mall	4545 La Jolla Village Dr, San Diego, CA 92122
858 Area Code	La Jolla Village Square	8655 Villa La Jolla Dr, La Jolla, CA 92037
858 Area Code	Poway Marketplace	13350 Poway Rd, Poway, CA 92064
858 Area Code	Del Mar Plaza	1555 Camino Del Mar, Del Mar, CA 92014
858 Area Code	Carmel Valley Shopping Center	12405 Carmel Mountain Rd, San Diego, CA 92130
858 Area Code	Sheraton San Diego Hotel & Marina	1380 Harbor Island Dr, San Diego, CA 92101
858 Area Code	La Jolla Shores Hotel	8110 Camino Del Oro, La Jolla, CA 92037
858 Area Code	Hampton Inn San Diego-Poway	12925 Poway Rd, Poway, CA 92064
858 Area Code	L�Auberge Del Mar	1540 Camino Del Mar, Del Mar, CA 92014
858 Area Code	Hilton Garden Inn San Diego � Del Mar	13685 Gregg Ct, San Diego, CA 92130
858 Area Code	San Diego International Airport	3225 N Harbor Dr, San Diego, CA 92101
858 Area Code	La Jolla Shores Shuttle Stop	8300 Camino Del Oro, La Jolla, CA 92037
858 Area Code	Poway Transit Center	13325 Civic Center Dr, Poway, CA 92064
858 Area Code	Del Mar Trolley Station	1050 Camino Del Mar, Del Mar, CA 92014
858 Area Code	Carmel Valley Transit Hub	3777 Townsgate Dr, San Diego, CA 92130

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