Area Code 657
657 area code is being used for dialing/telecommunication purposes in California, covering 15 major cities and only one county, according to (NANP) North American Numbering Plan for 3-digit Numbering Plan Area (NPA) code. All the areas using NPA code 657 is part of PST (Pacific Standard Time) timezone.
657 Area Code Covers 15 Cities
Check this below table to know 15 major cities (having more than 20,000 population) in California using numbering plan area code 657 for dialing/telecommunication purposes.
| City | ZIP Codes | Population |
|---|---|---|
| Anaheim, CA | 16 | 347,111 |
| Brea, CA | 3 | 47,099 |
| Buena Park, CA | 4 | 83,542 |
| Cypress, CA | 1 | 49,955 |
| Fountain Valley, CA | 2 | 56,754 |
| Fullerton, CA | 8 | 142,280 |
| Garden Grove, CA | 7 | 171,637 |
| Huntington Beach, CA | 6 | 197,481 |
| Orange, CA | 10 | 138,728 |
| Placentia, CA | 2 | 51,797 |
| Santa Ana, CA | 10 | 311,379 |
| Stanton, CA | 1 | 38,271 |
| Tustin, CA | 3 | 79,514 |
| Westminster, CA | 3 | 90,638 |
| Yorba Linda, CA | 3 | 68,035 |
only one County Using 657 as Area Code
657 area code is being used in only one county of California for dialing/telecommunication purposes.
47 More NPA Codes Related to Area Code 657
1 or more of these 47 NPA codes are being used in the same or adjacent states of California in the United States.
- 209 Area Code
- 213 Area Code
- 279 Area Code
- 310 Area Code
- 323 Area Code
- 341 Area Code
- 408 Area Code
- 415 Area Code
- 424 Area Code
- 442 Area Code
- 458 Area Code
- 480 Area Code
- 503 Area Code
- 510 Area Code
- 520 Area Code
- 530 Area Code
- 541 Area Code
- 559 Area Code
- 562 Area Code
- 602 Area Code
- 619 Area Code
- 623 Area Code
- 626 Area Code
- 628 Area Code
- 650 Area Code
- 661 Area Code
- 669 Area Code
- 702 Area Code
- 707 Area Code
- 714 Area Code
- 725 Area Code
- 747 Area Code
- 760 Area Code
- 775 Area Code
- 805 Area Code
- 808 Area Code
- 818 Area Code
- 820 Area Code
- 831 Area Code
- 858 Area Code
- 909 Area Code
- 916 Area Code
- 925 Area Code
- 928 Area Code
- 949 Area Code
- 951 Area Code
- 971 Area Code