FCC Registration Number

FRN 0028775435

CORES registration

Connected companies

CompanyRelationshipSourceConfidence
CarrierX, LLCregistrantRMD100.0%
Standard Tandem LLCregistrantFORM499100.0%

Public regulatory phone numbers

NumberContactSourceConfidence
(844) 855-9999Standard Tandem LLC customer_inquiriesFORM499100.0%
(855) 244-9113C T Corporation System service_agentFORM49995.0%

FCC Form 499 filers

Current as ofFiler IDLegal name
2025-04-01833308Standard Tandem LLC

Source provenance

SystemRecordRecorded nameRaw FRNObserved
FORM499833308:709758Standard Tandem LLC00287754352026-08-14 04:49:05
FORM499833308:709759Standard Tandem LLC00287754352026-08-14 04:49:05
RMD635128CarrierX, LLC00287754352026-08-06 09:48:27
FORM499833308Standard Tandem LLC00287754352026-08-01 18:48:09
FORM49928868Standard Tandem LLC00287754352026-08-01 17:48:07

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