Area code 657
Area code 657 is a telephone area code in the North American Numbering Plan. It serves California, the United States.
- 657area code
- CACalifornia
- UScountry
- 23-Sep-08in service
How to dial a 657 number
From within the United States and Canada, dial 1, then 657, then the seven-digit number. From another country, dial your international access code, then +1 657 and the seven-digit number.
Area code 657 covers the same territory as 714. 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, 661, 669, 707, 714, 738, 747, 760, 805, 818, 820, 831, 837, 840, 858, 909, 916, 925, 949, 951
Frequently asked questions
Where is area code 657?
Area code 657 serves California, the United States.
What is the country code for a 657 number?
Numbers with North American area codes use the country calling code +1.