FCC Registration Number

FRN 0003301702

AT&T Communications of California, Inc.

CORES registration

Entity name: AT&T Communications of California, Inc.
Entity type: Private Sector , Corporation
Registration date: 2000-06-25
FCC source updated: 2023-11-09
Contact organization: AT&T Services, Inc.
Contact position: Manager- Regulatory
Contact name: Ms Glenis McKoy
Contact address: 601 New Jersey Ave., NW, Suite 650, Washington, DC 20001, United States
Contact email: [email protected]
CORES status: available
Last checked: 2026-09-10 04:16:34

Connected companies

Company	Relationship	Source	Confidence
AT&T COMMUNICATIONS OF CALIFORNIA, INC.	registrant	CORES	100.0%
AT&T COMMUNICATIONS OF CALIFORNIA, INC.	licensee	ULS	100.0%

Public regulatory phone numbers

Number	Contact	Source	Confidence
(202) 746-4164	Ms Glenis McKoy Manager- Regulatory	CORES	100.0%
(404) 810-4020	AT&T COMMUNICATIONS OF CALIFORNIA, INC. L	ULS	100.0%

ULS licenses

Grant date	Call sign	Service	Status	Licensee
2001-12-07	WPTS819	CF	E	AT&T Communications of California, Inc.
2000-02-15	WHR440	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KYS45	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	WHO218	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	KNL56	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	WHR434	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KEZ65	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KMZ71	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KMZ72	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KNJ90	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KYS42	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KMZ70	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	WJK94	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	KMW68	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KNL55	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	WJM31	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	WPNI210	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KMX57	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KMW60	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	KYS51	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	KMX56	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KYS53	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	WHO215	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KYS52	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	KYS44	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	KNK42	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	KZS24	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	WHR428	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KKU53	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	KNL75	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KMJ93	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	WHR427	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KMQ37	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KMQ36	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KNK41	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	WHO204	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KNK53	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	WHO219	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	WHB68	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KYS46	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	WJM30	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	KYS43	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	WHR436	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	KMJ96	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA, INC.
2000-02-15	WHR438	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	WHO210	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
2000-02-15	WLK661	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
1998-11-23	WHR430	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
1998-11-23	WHT279	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
1996-03-18	KNL58	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
1996-02-20	KNL57	CF	C	AT&T COMMUNICATIONS OF CALIFORNIA INC
1993-06-04	WLW259	CF	E	AT&T COMMUNICATIONS OF CALIFORNIA, INC.

Source provenance

System	Record	Recorded name	Raw FRN	Observed
CORES	0003301702	AT&T Communications of California, Inc.	0003301702	2026-09-10 04:16:34
ULS	122028846891a6c787e35f0496d6d037681554a39c70995b69f6d68a360da9b5	AT&T COMMUNICATIONS OF CALIFORNIA, INC.	0003301702	2026-09-10 04:15:28

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