FCC Registration Number

FRN 0023769516

CORES registration

Connected companies

CompanyRelationshipSourceConfidence
Block Line Systems, LLCregistrantFORM499100.0%
Block Line Systems, LLCapplicantICFS95.0%

Public regulatory phone numbers

NumberContactSourceConfidence
(202) 572-3111CT Corporation Systems service_agentFORM49995.0%
(202) 776-2818J.G. Harrington/John S. Logan contact_phoneICFS95.0%
(202) 944-9502Thomas J. Moorman contact_phoneICFS95.0%
(419) 724-3860Block Line Systems, LLC transferee_phoneICFS95.0%
(419) 724-6212Block Line Systems, LLC transferee_phoneICFS95.0%
(419) 724-6212Block Line Systems, LLC licensee_phoneICFS95.0%
(419) 724-6212Block Line Systems, LLC transferor_phoneICFS95.0%
(610) 355-9700Block Line Systems, LLC transferor_phoneICFS95.0%
(610) 355-9700Block Line Systems, LLC licensee_phoneICFS95.0%
(610) 918-0885Block Line Systems, LLC licensee_phoneICFS95.0%
(610) 918-0885Block Line Systems, LLC transferor_phoneICFS95.0%
(856) 795-9500Block Line Systems, LLC transferor_phoneICFS95.0%
(856) 795-9500Block Line Systems, LLC licensee_phoneICFS95.0%
(888) 808-6111Block Line Systems, LLC customer_inquiriesFORM499100.0%

IBFS / ICFS filings

DateFile numberApplicantStatus
2020-05-20ITC-T/C-20200520-00075Block Line Systems, LLCClosed
2014-07-14ITC-ASG-20140714-00197Block Line Systems, LLCClosed
2014-07-14ITC-ASG-20140714-00212Block Line Systems, LLCClosed
2014-07-14ITC-ASG-20140714-00213Block Line Systems, LLCClosed

FCC Form 499 filers

Current as ofFiler IDLegal name
2026-04-01830641Block Line Systems, LLC

Source provenance

SystemRecordRecorded nameRaw FRNObserved
ICFSITC-ASG-20140714-00197:6618312Block Line Systems, LLC00237695162026-09-12 21:15:35
ICFSITC-ASG-20140714-00213:6618008Block Line Systems, LLC00237695162026-09-12 21:15:35
ICFSITC-ASG-20140714-00197:6618348Block Line Systems, LLC00237695162026-09-12 21:15:35
ICFSITC-ASG-20140714-00197:6618323Block Line Systems, LLC00237695162026-09-12 21:15:35
ICFSITC-ASG-20140714-00212:6618081Block Line Systems, LLC00237695162026-09-12 21:15:35
ICFSITC-ASG-20140714-00212:6618105Block Line Systems, LLC00237695162026-09-12 21:15:35
ICFSITC-ASG-20140714-00197:6618335Block Line Systems, LLC00237695162026-09-12 21:15:35
ICFSITC-ASG-20140714-00213:6618044Block Line Systems, LLC00237695162026-09-12 21:15:35
ICFSITC-ASG-20140714-00213:6618019Block Line Systems, LLC00237695162026-09-12 21:15:35
ICFSITC-ASG-20140714-00212:6618071Block Line Systems, LLC00237695162026-09-12 21:15:35
ICFSITC-ASG-20140714-00212:6618093Block Line Systems, LLC00237695162026-09-12 21:15:35
ICFSITC-ASG-20140714-00213:6618031Block Line Systems, LLC00237695162026-09-12 21:15:35
FORM499830641:1204890Block Line Systems, LLC00237695162026-09-09 05:15:20
FORM499830641:1204891Block Line Systems, LLC00237695162026-09-09 05:15:20
FORM499830641:703091Block Line Systems, LLC00237695162026-08-13 15:49:02
FORM499830641:703092Block Line Systems, LLC00237695162026-08-13 15:49:02
ICFSITC-T/C-20200520-00075Block Line Systems, LLC00237695162026-08-03 00:48:15
ICFSITC-T/C-20200520-00075:552521Block Line Systems, LLC00237695162026-08-01 23:48:12
ICFSITC-T/C-20200520-00075:552502Block Line Systems, LLC00237695162026-08-01 23:48:12
ICFSITC-T/C-20200520-00075:552532Block Line Systems, LLC00237695162026-08-01 23:48:12
ICFSITC-T/C-20200520-00075:552510Block Line Systems, LLC00237695162026-08-01 23:48:12
FORM499830641Block Line Systems, LLC00237695162026-08-01 15:48:08
FORM49923588Block Line Systems, LLC00237695162026-08-01 13:48:06

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