| 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 |
|---|---|---|---|
| 323-344 | Los Angeles | Los Angeles, CA | Pacific Bell |
| 323-345 | Los Angeles | Los Angeles, CA | Mpower Communications Corp |
| 323-346 | Los Angeles | Montebello, CA | Mpower Communications Corp |
| 323-347 | Los Angeles | Los Angeles, CA | Xo California |
| 323-348 | Los Angeles | Los Angeles, CA | Tw Telecom Of California Lp |
| 323-349 | Los Angeles | Los Angeles, CA | Pacific Bell |
| 323-350 | Los Angeles | Los Angeles, CA | T-mobile Usa |
| 323-351 | Los Angeles | Los Angeles, CA | Xo California |
| 323-352 | Los Angeles | Los Angeles, CA | Pacific Bell |
| 323-353 | Los Angeles | Montebello, CA | Sprint Spectrum L.p. |
| 323-354 | Los Angeles | Los Angeles, CA | Tw Telecom Of California Lp |
| 323-355 | Los Angeles | Los Angeles, CA | Usa Mobility Wireless |
| 323-356 | Los Angeles | Los Angeles, CA | New Cingular Wireless PCS |
| 323-357 | Los Angeles | South Gate, CA | Pacific Bell |
| 323-358 | Los Angeles | Montebello, CA | Sprint Spectrum L.p. |
| 323-359 | Los Angeles | Montebello, CA | Sprint Spectrum L.p. |
| 323-360 | Los Angeles | Los Angeles, CA | Teleport Communications Group - Los Angeles |
| 323-361 | Los Angeles | Los Angeles, CA | Pacific Bell |
| 323-362 | Los Angeles | Gardena, CA | AT&T Local |
| 323-363 | Los Angeles | Los Angeles, CA | New Cingular Wireless PCS |
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.