FCC Registration Number

FRN 0004352274

CORES registration

Connected companies

CompanyRelationshipSourceConfidence
Level 3 Telecom of Arizona, LLCregistrantFORM499100.0%
Level 3 Telecom of Arizona, LLCregistrantRMD100.0%
Lumen Technologies, Inc.registrantRMD100.0%

Public regulatory phone numbers

NumberContactSourceConfidence
(202) 303-1111Thomas Jones . service_agentFORM49995.0%
(303) 707-3844Philip Linse mitigation_contactRMD100.0%
(888) 333-0520Time Warner Telecom of Arizona, LLC customer_inquiriesFORM499100.0%

FCC Form 499 filers

Current as ofFiler IDLegal name
2006-04-03820998Time Warner Telecom of Arizona, LLC

Robocall Mitigation Database filings

RecertifiedRMD numberBusiness
2026-02-27RMD0006059Level 3 Telecom of Arizona, LLC

Source provenance

SystemRecordRecorded nameRaw FRNObserved
FORM499820998:459720Time Warner Telecom of Arizona, LLC00043522742026-08-07 03:18:31
FORM499820998:459722Time Warner Telecom of Arizona, LLC00043522742026-08-07 03:18:31
FORM499820998:459723Time Warner Telecom of Arizona, LLC00043522742026-08-07 03:18:31
FORM499820998:459721Time Warner Telecom of Arizona, LLC00043522742026-08-07 03:18:31
RMD637548Level 3 Telecom of Arizona, LLC00043522742026-08-06 10:48:28
RMD634869Lumen Technologies, Inc.00043522742026-08-06 09:18:28
FORM499820998:404075Time Warner Telecom of Arizona, LLC00043522742026-08-05 20:48:26
FORM499820998:404073Time Warner Telecom of Arizona, LLC00043522742026-08-05 20:48:26
FORM499820998:404076Time Warner Telecom of Arizona, LLC00043522742026-08-05 20:48:26
FORM499820998:404074Time Warner Telecom of Arizona, LLC00043522742026-08-05 20:48:26
FORM499820998Time Warner Telecom of Arizona, LLC00043522742026-08-01 03:48:06
FORM4999473Time Warner Telecom of Arizona, LLC00043522742026-08-01 01:48:04
RMDRMD0006059Level 3 Telecom of Arizona, LLC00043522742026-07-31 22:18:11

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