Area code 858
Area code 858 is a telephone area code in the North American Numbering Plan. It serves California, the United States.
- 858area code
- CACalifornia
- UScountry
- 12-Jun-99in service
How to dial a 858 number
From within the United States and Canada, dial 1, then 858, then the seven-digit number. From another country, dial your international access code, then +1 858 and the seven-digit number.
Area code 858 covers the same territory as 619. When several area codes share one area like this, it is called an overlay.
Other area codes in California
209, 213, 279, 310, 323, 341, 350, 357, 369, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 738, 747, 760, 805, 818, 820, 831, 837, 840, 909, 916, 925, 949, 951
Frequently asked questions
Where is area code 858?
Area code 858 serves California, the United States.
What is the country code for a 858 number?
Numbers with North American area codes use the country calling code +1.