FCC.reportPublic regulatory filings
FCC Registration Number

FRN 0004335584

CORES registration

CORES status
discovered

Connected companies

CompanyRelationshipSourceConfidence
MCI WorldCom Network Services, Inc./ MCI Communications CorporationregistrantFORM499100.0%

Public regulatory phone numbers

NumberContactSourceConfidence
(202) 371-8090National Registered Agents service_agentFORM49995.0%
(601) 360-8600MCI WorldCom Network Services, Inc./ MCI Communications Corporation customer_inquiriesFORM499100.0%

ULS licenses

Grant dateCall signServiceStatusLicensee
2004-05-21335MCACTMCI Communications Corporation
2004-05-21334MCACTMCI Communications Corporation
2004-05-21330MCACTMCI Communications Corporation
1998-10-29WPEF689IGCMCI

FCC Form 499 filers

Current as ofFiler IDLegal name
2002-04-01807072MCI WorldCom Network Services, Inc./ MCI Communications Corporation

Source provenance

SystemRecordRecorded nameRaw FRNObserved
FORM499807072:339294MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-04 11:48:21
FORM499807072:339295MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-04 11:48:21
FORM499807072:339297MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-04 11:48:21
FORM499807072:339296MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-04 11:48:21
FORM499807072:283647MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-03 14:18:18
FORM499807072:283649MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-03 14:18:18
FORM499807072:283650MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-03 14:18:18
FORM499807072:283648MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-03 14:18:18
FORM499807072:228002MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-02 20:48:16
FORM499807072:228003MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-02 20:48:16
FORM499807072:228000MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-02 20:48:16
FORM499807072:228001MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-02 20:48:16
FORM499807072:172353MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-01 10:48:12
FORM499807072:172355MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-01 10:48:12
FORM499807072:172356MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-01 10:48:12
FORM499807072:172354MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-08-01 10:48:12
FORM499807072MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-07-31 19:09:45
FORM4992930MCI WorldCom Network Services, Inc./ MCI Communications Corporation00043355842026-07-31 19:09:44

Refresh this FRN

Request a background refresh from the FCC CORES public registration record. The page request does not contact the FCC directly.