Area Code 657 is located in the state of California.
The California`s major city is Westminster
The state of California is in Pacific timezone.
More important cities in California:
Anaheim, CA; Brea, CA; Buena Park, CA; Cypress, CA; Fountain Valley, CA; Fullerton, CA; Garden Grove, CA; Huntington Beach, CA; Orange, CA; Placentia, CA; Santa Ana, CA; Stanton, CA; Tustin, CA; Tustin Foothills, CA; Westminster, CA; Yorba Linda, CA;
Prefixes within the 657 Area Code what we have in our database.
| Prefix | Primary City | County | Usage |
| (657) 200 | Westminster, CA | Not filled | Unknown |
| (657) 201 | Anaheim, CA | Not filled | Unknown |
| (657) 202 | Anaheim, CA | Not filled | Unknown |
| (657) 203 | Huntington Beach, CA | Not filled | Unknown |
| (657) 204 | Huntington Beach, CA | Not filled | Unknown |
| (657) 205 | Santa Ana, CA | Not filled | Unknown |
| (657) 206 | Garden Grove, CA | Not filled | Unknown |
| (657) 207 | Anaheim, CA | Not filled | Unknown |
| (657) 208 | Anaheim, CA | Not filled | Unknown |
| (657) 210 | Santa Ana, CA | Not filled | Unknown |
| (657) 212 | Santa Ana, CA | Not filled | Unknown |
| (657) 214 | Cypress, CA | Not filled | Unknown |
| (657) 215 | Huntington Beach, CA | Not filled | Unknown |
| (657) 216 | Placentia, CA | Not filled | Unknown |
| (657) 222 | Cypress, CA | Not filled | Unknown |
| (657) 229 | Santa Ana, CA | Not filled | Unknown |
| (657) 269 | Anaheim, CA | Not filled | Unknown |
| (657) 278 | Fullerton, CA | Not filled | Unknown |
| (657) 333 | Orange, CA | Not filled | Unknown |
| (657) 444 | Placentia, CA | Not filled | Unknown |
| (657) 464 | Huntington Beach, CA | Not filled | Unknown |
| (657) 549 | Anaheim, CA | Not filled | Unknown |
| (657) 622 | Santa Ana, CA | Not filled | Unknown |
| (657) 666 | Long Beach, CA | Not filled | Unknown |
| (657) 777 | Cypress, CA | Not filled | Unknown |
| (657) 859 | Santa Ana, CA | Not filled | Unknown |
| (657) 888 | Orange, CA | Not filled | Unknown |
We have 27 Prefixes in our database.