FCC Registration Number

FRN 0038222865

CORES registration

Connected companies

CompanyRelationshipSourceConfidence
Legacy SIP LLCregistrantFORM499100.0%

Public regulatory phone numbers

NumberContactSourceConfidence
(240) 575-6890Legacy SIP LLC customer_inquiriesFORM499100.0%

FCC Form 499 filers

Current as ofFiler IDLegal name
2026-04-01828378Legacy SIP LLC

Source provenance

SystemRecordRecorded nameRaw FRNObserved
FORM499828378Legacy SIP LLC00382228652026-08-01 12:18:07
FORM49919220Legacy SIP LLC00382228652026-08-01 09:18:06

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