| District of California area codes: 323 | |
|---|---|
| Country | United States |
| State/Province | California |
| Major City | Los Angeles |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 323-301 | Los Angeles | Los Angeles, CA | Xo California |
| 323-302 | Los Angeles | Los Angeles, CA | Xo California |
| 323-303 | Los Angeles | Montebello, CA | Level 3 Communications |
| 323-304 | Los Angeles | Los Angeles, CA | T-mobile Usa |
| 323-305 | Los Angeles | Los Angeles, CA | Xo California |
| 323-306 | Los Angeles | Los Angeles, CA | Xo California |
| 323-307 | Los Angeles | Los Angeles, CA | Pacific Bell |
| 323-308 | Los Angeles | Hollywood, CA | Pacific Bell |
| 323-309 | Los Angeles | Burbank, CA | Sprint Spectrum L.p. |
| 323-312 | Los Angeles | Bell, CA | Mpower Communications Corp |
| 323-313 | Los Angeles | Los Angeles, CA | Pac - West Telecomm |
| 323-314 | Los Angeles | Montebello, CA | New Cingular Wireless PCS |
| 323-315 | Los Angeles | Los Angeles, CA | Paetec Communications |
| 323-316 | Los Angeles | Los Angeles, CA | Paetec Communications |
| 323-317 | Los Angeles | Los Angeles, CA | Paetec Communications |
| 323-318 | Los Angeles | Los Angeles, CA | Paetec Communications |
| 323-319 | Los Angeles | Los Angeles, CA | Paetec Communications |
| 323-320 | Los Angeles | Los Angeles, CA | Metropcs Networks |
| 323-321 | Los Angeles | Gardena, CA | Pacific Bell |
| 323-322 | Los Angeles | Los Angeles, CA | Usa Mobility Wireless |
There are 713 prefixes, In the code area, the major cities are Bell, CA;Bell Gardens, CA;Cudahy, CA;East Los Ange. The major city is Los Angeles.