FCC Registration Number

FRN 0003721396

US LEC Communications LLC

CORES registration

Connected companies

CompanyRelationshipSourceConfidence
US LEC Corp.- CONSOLIDATEDregistrantCORES100.0%
US LEC Corp.- CONSOLIDATEDregistrantFORM499100.0%
US LEC Corp.- CONSOLIDATEDregistrantRMD100.0%

Public regulatory phone numbers

NumberContactSourceConfidence
(501) 748-6313Nicole Winters mitigation_contactRMD100.0%
(501) 748-6583US LEC Corp.- CONSOLIDATED customer_inquiriesFORM499100.0%
(541) 508-8887Jie Cui Senior AnalystCORES100.0%

FCC Form 499 filers

Current as ofFiler IDLegal name
2026-04-01823964US LEC Corp.- CONSOLIDATED

Robocall Mitigation Database filings

RecertifiedRMD numberBusiness
2026-03-02RMD0038383US LEC Communications LLC

Source provenance

SystemRecordRecorded nameRaw FRNObserved
CORES0003721396US LEC Communications LLC00037213962026-08-01 12:18:27
RMDRMD0038383US LEC Communications LLC00037213962026-08-01 12:18:14
FORM499823964US LEC Corp.- CONSOLIDATED00037213962026-08-01 05:48:06
FORM49912246US LEC Corp.- CONSOLIDATED00037213962026-08-01 04:18:04

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