FCC Registration Number
FRN 0004373171
CORES registration
- CORES status
- discovered
Public regulatory phone numbers
| Number | Contact | Source | Confidence |
|---|
| (415) 901-3816 | Melissa Waksman XO Communications service_agent | FORM499 | 95.0% |
| (888) 575-6398 | XO California, Inc. customer_inquiries | FORM499 | 100.0% |
FCC Form 499 filers
| Current as of | Filer ID | Legal name |
|---|
| 2002-04-01 | 811842 | XO California, Inc. |
Source provenance
| System | Record | Recorded name | Raw FRN | Observed |
|---|
| FORM499 | 811842:453575 | XO California, Inc. | 0004373171 | 2026-08-06 16:18:31 |
| FORM499 | 811842:453572 | XO California, Inc. | 0004373171 | 2026-08-06 16:18:31 |
| FORM499 | 811842:453573 | XO California, Inc. | 0004373171 | 2026-08-06 16:18:31 |
| FORM499 | 811842:453574 | XO California, Inc. | 0004373171 | 2026-08-06 16:18:31 |
| FORM499 | 811842:397925 | XO California, Inc. | 0004373171 | 2026-08-05 12:18:25 |
| FORM499 | 811842:397927 | XO California, Inc. | 0004373171 | 2026-08-05 12:18:25 |
| FORM499 | 811842:397926 | XO California, Inc. | 0004373171 | 2026-08-05 12:18:25 |
| FORM499 | 811842:397928 | XO California, Inc. | 0004373171 | 2026-08-05 12:18:25 |
| FORM499 | 811842:342279 | XO California, Inc. | 0004373171 | 2026-08-04 17:18:22 |
| FORM499 | 811842:342280 | XO California, Inc. | 0004373171 | 2026-08-04 17:18:22 |
| FORM499 | 811842:342281 | XO California, Inc. | 0004373171 | 2026-08-04 17:18:22 |
| FORM499 | 811842:342278 | XO California, Inc. | 0004373171 | 2026-08-04 17:18:22 |
| FORM499 | 811842:286632 | XO California, Inc. | 0004373171 | 2026-08-03 18:48:17 |
| FORM499 | 811842:286631 | XO California, Inc. | 0004373171 | 2026-08-03 18:48:17 |
| FORM499 | 811842:286634 | XO California, Inc. | 0004373171 | 2026-08-03 18:48:17 |
| FORM499 | 811842:286633 | XO California, Inc. | 0004373171 | 2026-08-03 18:48:17 |
| FORM499 | 811842:175338 | XO California, Inc. | 0004373171 | 2026-08-01 16:18:10 |
| FORM499 | 811842:175339 | XO California, Inc. | 0004373171 | 2026-08-01 16:18:10 |
| FORM499 | 811842:175337 | XO California, Inc. | 0004373171 | 2026-08-01 16:18:10 |
| FORM499 | 811842:175340 | XO California, Inc. | 0004373171 | 2026-08-01 16:18:10 |
| FORM499 | 811842 | XO California, Inc. | 0004373171 | 2026-07-31 20:48:04 |
| FORM499 | 4780 | XO California, Inc. | 0004373171 | 2026-07-31 20:48:03 |
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