FCC Registration Number
FRN 0023769516
CORES registration
Connected companies
| Company | Relationship | Source | Confidence |
|---|---|---|---|
| Block Line Systems, LLC | registrant | FORM499 | 100.0% |
| Block Line Systems, LLC | applicant | ICFS | 95.0% |
Public regulatory phone numbers
| Number | Contact | Source | Confidence |
|---|---|---|---|
| (202) 776-2818 | J.G. Harrington/John S. Logan contact_phone | ICFS | 95.0% |
| (419) 724-6212 | Block Line Systems, LLC transferee_phone | ICFS | 95.0% |
| (419) 724-6212 | Block Line Systems, LLC licensee_phone | ICFS | 95.0% |
| (419) 724-6212 | Block Line Systems, LLC transferor_phone | ICFS | 95.0% |
| (888) 808-6111 | Block Line Systems, LLC customer_inquiries | FORM499 | 100.0% |
IBFS / ICFS filings
| Date | File number | Applicant | Status |
|---|---|---|---|
| 2020-05-20 | ITC-T/C-20200520-00075 | Block Line Systems, LLC | Closed |
FCC Form 499 filers
| Current as of | Filer ID | Legal name |
|---|---|---|
| 2026-04-01 | 830641 | Block Line Systems, LLC |
Source provenance
| System | Record | Recorded name | Raw FRN | Observed |
|---|---|---|---|---|
| ICFS | ITC-T/C-20200520-00075 | Block Line Systems, LLC | 0023769516 | 2026-08-03 00:48:15 |
| ICFS | ITC-T/C-20200520-00075:552521 | Block Line Systems, LLC | 0023769516 | 2026-08-01 23:48:12 |
| ICFS | ITC-T/C-20200520-00075:552502 | Block Line Systems, LLC | 0023769516 | 2026-08-01 23:48:12 |
| ICFS | ITC-T/C-20200520-00075:552532 | Block Line Systems, LLC | 0023769516 | 2026-08-01 23:48:12 |
| ICFS | ITC-T/C-20200520-00075:552510 | Block Line Systems, LLC | 0023769516 | 2026-08-01 23:48:12 |
| FORM499 | 830641 | Block Line Systems, LLC | 0023769516 | 2026-08-01 15:48:08 |
| FORM499 | 23588 | Block Line Systems, LLC | 0023769516 | 2026-08-01 13:48:06 |
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