Public regulatory phone

(972) 656-5287

Associations below come from public FCC regulatory records. Confidence describes the source relationship, not current ownership of the number.

Company or contact	System	Source record	Confidence	Observed
MCI WORLDCOM NETWORK SERVICES, INC L	ULS	05774ca2e4f8f5f8a1dd08fc89417fbd2f88f3e6c042b96d923001bf3e8ab8bd	Authoritative identifier (100.0%)	2026-08-09 20:48:57
MCI WORLDCOM NETWORK SERVICES, INC L	ULS	04d1b0f7b03ec42614fb3cd9c16dee481d7115f70e404bf41888841920da9087	Authoritative identifier (100.0%)	2026-08-08 05:18:50
MCI WORLDCOM NETWORK SERVICES, INC L	ULS	04cd38e77e4ba4bbb731c20a0cfd230556d2a4fca88e7f4bef5cdb56419a897a	Authoritative identifier (100.0%)	2026-08-08 04:48:46
MCI WORLDCOM NETWORK SERVICES, INC L	ULS	032703f29b87b786cfae41a2a28af80ac4ca3d06a5e7fd80d1bf1e0db848e460	Authoritative identifier (100.0%)	2026-08-05 17:18:32
MCI WORLDCOM NETWORK SERVICES, INC L	ULS	030c25780d5e22b04220e0329a53b1cce96f2df3141e4eeff1e161fe3d03add8	Authoritative identifier (100.0%)	2026-08-05 14:18:29
MCI WORLDCOM Network Services, Inc. owner	ASR	38143d2e7e670aaa88673be0ba35c02aad043f5d5a10a592178b3acefe45ce34	Authoritative identifier (100.0%)	2026-08-03 17:48:25
MCI WORLDCOM NETWORK SERVICES, INC L	ULS	011c03761bcd75d6fda671e8d7f8dba70f5d826eeb389229af2040f8c41a218b	Authoritative identifier (100.0%)	2026-08-02 15:18:21
MCI WORLDCOM NETWORK SERVICES, INC L	ULS	00baede5f593d46cb77f3dc7e4a9cfeb8c7726b3fac88a79e2f1b297776f801d	Authoritative identifier (100.0%)	2026-08-01 18:48:16
MCI WORLDCOM NETWORK SERVICES, INC L	ULS	0027569dbb4f607347253472cc54195610435d703509e2e412343d892814a6fc	Authoritative identifier (100.0%)	2026-07-31 22:18:10