FCC Registration Number
FRN 0004339321
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 Maryland, LLC customer_inquiries | FORM499 | 100.0% |
FCC Form 499 filers
| Current as of | Filer ID | Legal name |
|---|
| 2002-04-01 | 818036 | XO Maryland, LLC |
Source provenance
| System | Record | Recorded name | Raw FRN | Observed |
|---|
| FORM499 | 818036:400692 | XO Maryland, LLC | 0004339321 | 2026-08-05 15:48:24 |
| FORM499 | 818036:400693 | XO Maryland, LLC | 0004339321 | 2026-08-05 15:48:24 |
| FORM499 | 818036:400691 | XO Maryland, LLC | 0004339321 | 2026-08-05 15:48:24 |
| FORM499 | 818036:400694 | XO Maryland, LLC | 0004339321 | 2026-08-05 15:48:24 |
| FORM499 | 818036:345046 | XO Maryland, LLC | 0004339321 | 2026-08-04 23:18:22 |
| FORM499 | 818036:345047 | XO Maryland, LLC | 0004339321 | 2026-08-04 23:18:22 |
| FORM499 | 818036:345044 | XO Maryland, LLC | 0004339321 | 2026-08-04 23:18:22 |
| FORM499 | 818036:345045 | XO Maryland, LLC | 0004339321 | 2026-08-04 23:18:22 |
| FORM499 | 818036:289399 | XO Maryland, LLC | 0004339321 | 2026-08-04 00:48:19 |
| FORM499 | 818036:289398 | XO Maryland, LLC | 0004339321 | 2026-08-04 00:48:19 |
| FORM499 | 818036:289397 | XO Maryland, LLC | 0004339321 | 2026-08-04 00:48:19 |
| FORM499 | 818036:289400 | XO Maryland, LLC | 0004339321 | 2026-08-04 00:48:19 |
| FORM499 | 818036:178106 | XO Maryland, LLC | 0004339321 | 2026-08-01 21:48:10 |
| FORM499 | 818036:178104 | XO Maryland, LLC | 0004339321 | 2026-08-01 21:48:10 |
| FORM499 | 818036:178105 | XO Maryland, LLC | 0004339321 | 2026-08-01 21:48:10 |
| FORM499 | 818036:178103 | XO Maryland, LLC | 0004339321 | 2026-08-01 21:48:10 |
| FORM499 | 818036 | XO Maryland, LLC | 0004339321 | 2026-07-31 23:48:05 |
| FORM499 | 7028 | XO Maryland, LLC | 0004339321 | 2026-07-31 22:18:05 |
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