| District of California area codes: 949 | |
|---|---|
| Country | United States |
| State/Province | California |
| Major City | Santa Ana |
| Time Zone | Pacific |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 949-540 | Orange | Lake Forest, CA | Mpower Communications Corp |
| 949-542 | Orange | Laguna Niguel, CA | Tw Telecom Of California Lp |
| 949-544 | Orange | Lake Forest, CA | Global Crossing Local Services-ca |
| 949-545 | Orange | San Clemente, CA | Mpower Communications Corp |
| 949-546 | Orange | Aliso Viejo, CA | Cox California Telcom, L.l.c. |
| 949-547 | Orange | San Juan Capistrano, CA | New Cingular Wireless PCS |
| 949-548 | Orange | Newport Beach, CA | Pacific Bell |
| 949-551 | Orange | Irvine, CA | Pacific Bell |
| 949-552 | Orange | Irvine, CA | Pacific Bell |
| 949-553 | Orange | Irvine, CA | Pacific Bell |
| 949-554 | Orange | Newport Beach, CA | Mpower Communications Corp |
| 949-556 | Orange | Irvine, CA | Level 3 Communications |
| 949-558 | Level 3 Communications | ||
| 949-559 | Orange | Irvine, CA | Pacific Bell |
| 949-562 | New Cingular Wireless PCS | ||
| 949-565 | Level 3 Communications | ||
| 949-566 | Orange | Newport Beach, CA | Pacific Bell |
| 949-567 | Orange | Irvine, CA | Pacific Bell |
| 949-572 | Orange | Irvine, CA | New Cingular Wireless PCS |
| 949-573 | Orange | San Juan Capistrano, CA | AT&T Local |
There are 506 prefixes, In the code area, the major cities are Aliso Viejo, CA;Costa Mesa, CA;Dana Point, CA;Irvi. The major city is Santa Ana.