FRONTIER CALIFORNIA INC.
140 prefixes in 760 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 760-777 | INDIO | 2319 | — | Yes |
| 760-778 | PALM SPG | 2319 | — | — |
| 760-779 | PALMDESERT | 2319 | — | — |
| 760-819 | TWNTYNPLMS | 2319 | — | Yes |
| 760-820 | YUCCA VLY | 2319 | — | Yes |
| 760-833 | PALM SPG | 2319 | — | — |
| 760-834 | PALMDESERT | 2319 | — | Yes |
| 760-836 | PALMDESERT | 2319 | — | — |
| 760-837 | PALMDESERT | 2319 | — | — |
| 760-843 | VICTORVL | 4420 | — | — |
| 760-862 | PALMDESERT | 2319 | — | — |
| 760-863 | INDIO | 2319 | — | Yes |
| 760-864 | PALM SPG | 2319 | — | — |
| 760-865 | TWNTYNPLMS | 2319 | — | Yes |
| 760-866 | PALM SPG | 2319 | — | — |
| 760-868 | WRWD PHLN | 4420 | — | Yes |
| 760-872 | BISHOP | 4420 | — | — |
| 760-873 | BISHOP | 4420 | — | Yes |
| 760-876 | LONE PINE | 4420 | — | Yes |
| 760-878 | INDEPNDNCE | 4420 | — | Yes |
| 760-883 | PALM SPG | 2319 | — | Yes |
| 760-924 | MAMMOTHLKS | 4420 | — | Yes |
| 760-932 | BRIDGEPORT | 4420 | — | Yes |
| 760-933 | BENTON | 4420 | — | Yes |
| 760-934 | MAMMOTHLKS | 4420 | — | — |
| 760-935 | CROWLEY LK | 4420 | — | Yes |
| 760-938 | BIG PINE | 4420 | — | Yes |
| 760-939 | RIDGECREST | 4420 | — | — |
| 760-946 | VTVL APVY | 4420 | — | Yes |
| 760-947 | VTVL HSPR | 4420 | — | — |
| 760-948 | VTVL HSPR | 4420 | — | — |
| 760-949 | VTVL HSPR | 4420 | — | — |
| 760-951 | VICTORVL | 4420 | — | — |
| 760-952 | VICTORVL | 4420 | — | — |
| 760-955 | VICTORVL | 4420 | — | — |
| 760-956 | VTVL HSPR | 4420 | — | Yes |
| 760-957 | BARSTOW | 4420 | — | Yes |
| 760-961 | VTVL APVY | 4420 | — | Yes |
| 760-962 | VICTORVL | 4420 | — | — |
| 760-993 | DSERTHTSPG | 2319 | 2011-04-04 | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.