FRONTIER CALIFORNIA INC.
158 prefixes in 562 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 562-218 | LONG BEACH | 2319 | — | — |
| 562-222 | PICORIVERA | 2319 | — | Yes |
| 562-229 | NORWALK | 2319 | — | Yes |
| 562-266 | LA HABRA | 2319 | — | Yes |
| 562-290 | LONG BEACH | 2319 | — | Yes |
| 562-321 | WHITTIER | 2319 | — | Yes |
| 562-342 | ALAMITOS | 2319 | — | Yes |
| 562-377 | LAKEWOOD | 2319 | — | Yes |
| 562-401 | DOWNEY | 2319 | — | Yes |
| 562-402 | NORWALK | 2319 | — | — |
| 562-403 | NORWALK | 2319 | — | — |
| 562-404 | NORWALK | 2319 | — | — |
| 562-406 | NORWALK | 2319 | — | Yes |
| 562-407 | NORWALK | 2319 | — | Yes |
| 562-409 | NORWALK | 2319 | — | Yes |
| 562-420 | LAKEWOOD | 2319 | — | — |
| 562-421 | LAKEWOOD | 2319 | — | — |
| 562-422 | LONG BEACH | 2319 | — | — |
| 562-423 | LONG BEACH | 2319 | — | — |
| 562-424 | LONG BEACH | 2319 | — | — |
| 562-425 | LAKEWOOD | 2319 | — | — |
| 562-426 | LONG BEACH | 2319 | — | — |
| 562-427 | LONG BEACH | 2319 | — | — |
| 562-428 | LONG BEACH | 2319 | — | — |
| 562-429 | LAKEWOOD | 2319 | — | — |
| 562-430 | ALAMITOS | 2319 | — | — |
| 562-431 | ALAMITOS | 2319 | — | — |
| 562-432 | LONG BEACH | 2319 | — | — |
| 562-433 | ALAMITOS | 2319 | — | — |
| 562-434 | ALAMITOS | 2319 | — | — |
| 562-435 | LONG BEACH | 2319 | — | — |
| 562-436 | LONG BEACH | 2319 | — | — |
| 562-437 | LONG BEACH | 2319 | — | — |
| 562-438 | ALAMITOS | 2319 | — | — |
| 562-439 | ALAMITOS | 2319 | — | — |
| 562-461 | NORWALK | 2319 | — | — |
| 562-462 | NORWALK | 2319 | — | — |
| 562-463 | PICORIVERA | 2319 | — | — |
| 562-464 | WHITTIER | 2319 | — | Yes |
| 562-465 | NORWALK | 2319 | — | Yes |
| 562-466 | NORWALK | 2319 | — | — |
| 562-467 | NORWALK | 2319 | — | Yes |
| 562-468 | NORWALK | 2319 | — | — |
| 562-469 | DOWNEY | 2319 | — | Yes |
| 562-483 | NORWALK | 2319 | — | Yes |
| 562-484 | NORWALK | 2319 | — | Yes |
| 562-489 | LONG BEACH | 2319 | — | Yes |
| 562-490 | LONG BEACH | 2319 | — | Yes |
| 562-491 | LONG BEACH | 2319 | — | — |
| 562-492 | LONG BEACH | 2319 | — | — |
| 562-493 | ALAMITOS | 2319 | — | — |
| 562-494 | ALAMITOS | 2319 | — | — |
| 562-495 | LONG BEACH | 2319 | — | — |
| 562-496 | LAKEWOOD | 2319 | — | — |
| 562-497 | LAKEWOOD | 2319 | — | — |
| 562-498 | ALAMITOS | 2319 | — | — |
| 562-499 | LONG BEACH | 2319 | — | Yes |
| 562-570 | LONG BEACH | 2319 | — | — |
| 562-590 | LONG BEACH | 2319 | — | — |
| 562-591 | LONG BEACH | 2319 | — | — |
| 562-592 | ALAMITOS | 2319 | — | Yes |
| 562-594 | ALAMITOS | 2319 | — | Yes |
| 562-595 | LONG BEACH | 2319 | — | Yes |
| 562-596 | ALAMITOS | 2319 | — | — |
| 562-597 | ALAMITOS | 2319 | — | — |
| 562-598 | ALAMITOS | 2319 | — | — |
| 562-599 | LONG BEACH | 2319 | — | Yes |
| 562-621 | ALAMITOS | 2319 | — | — |
| 562-622 | DOWNEY | 2319 | — | — |
| 562-623 | NORWALK | 2319 | — | Yes |
| 562-624 | LONG BEACH | 2319 | — | — |
| 562-626 | ALAMITOS | 2319 | — | — |
| 562-627 | LAKEWOOD | 2319 | — | — |
| 562-628 | LONG BEACH | 2319 | — | — |
| 562-651 | NORWALK | 2319 | — | — |
| 562-653 | NORWALK | 2319 | — | Yes |
| 562-654 | PICORIVERA | 2319 | — | Yes |
| 562-690 | LA HABRA | 2319 | — | — |
| 562-691 | LA HABRA | 2319 | — | — |
| 562-692 | PICORIVERA | 2319 | — | — |
| 562-693 | WHITTIER | 2319 | — | — |
| 562-694 | LA HABRA | 2319 | — | — |
| 562-695 | PICORIVERA | 2319 | — | — |
| 562-696 | WHITTIER | 2319 | — | — |
| 562-697 | LA HABRA | 2319 | — | — |
| 562-698 | WHITTIER | 2319 | — | — |
| 562-699 | PICORIVERA | 2319 | — | — |
| 562-728 | LONG BEACH | 2319 | — | Yes |
| 562-776 | DOWNEY | 2319 | — | Yes |
| 562-777 | WHITTIER | 2319 | — | Yes |
| 562-789 | WHITTIER | 2319 | — | — |
| 562-795 | ALAMITOS | 2319 | — | — |
| 562-797 | ALAMITOS | 2319 | — | — |
| 562-799 | ALAMITOS | 2319 | — | — |
| 562-801 | PICORIVERA | 2319 | — | Yes |
| 562-802 | NORWALK | 2319 | — | Yes |
| 562-803 | DOWNEY | 2319 | — | — |
| 562-804 | NORWALK | 2319 | — | — |
| 562-806 | DOWNEY | 2319 | — | — |
| 562-807 | NORWALK | 2319 | — | — |
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.