FCC filing company

Microsoft Corporation

FRN 0006275291FRN 0008512337FRN 0032969891

One Microsoft Way, Redmond, Washington, 98052-6399, United States

Related companies

These separately maintained company records are connected by a confirmed FCC relationship or shared identity evidence. A matching name alone does not establish that two records are the same legal entity, so their filings remain separate.

Company	FRN	Relationship basis
Microsoft		Shared name and contact details
Microsoft	0029316122	Same recorded name with a different FRN
Microsoft Corp		Same recorded name
Microsoft Corp	0026523779	Same recorded name with a different FRN
Microsoft Corporation		Same recorded name
MICROSOFT CORPORATION		Shared name and contact details
Microsoft Corporation	0004073987	Same recorded name with a different FRN
MICROSOFT CORPORATION	0008512311	Same recorded name with a different FRN
MICROSOFT CORPORATION	0009585977	Same recorded name with a different FRN
MICROSOFT CORPORATION	0014644660	Same recorded name with a different FRN
Microsoft Corporation	0023487697	Same recorded name with a different FRN
Microsoft Corporation	0024169161	Same recorded name with a different FRN
Microsoft Corporation	0031994221	Same recorded name with a different FRN
Microsoft Corporation	0032481376	Same recorded name with a different FRN
Microsoft Corporation	0037559622	Same recorded name with a different FRN

Data coverage

FCC source	Matched entities	Last refreshed
FCCID	4	2026-08-18 08:00:39
ULS	2	2026-08-16 07:04:04

Source records and provenance

Each row is an independently retained source identity connected to this company. FCC.report does not overwrite one source with another.

FCC source	Recorded name	Source identity	Match basis	Last refreshed
FCCID	Microsoft Corporation	`frn:0006275291`	exact frn	2026-07-29 21:27:03
FCCID	Microsoft Corporation	`frn:0008512337`	exact frn	2026-07-29 21:37:40
FCCID	Microsoft Corporation	`frn:0032969891`	exact frn	2026-07-29 21:20:49
FCCID	Microsoft Corporation	`name:9fbf261b62c1d7c00db73afb`	fccid source entity	2026-08-18 08:00:39
ULS	ATTALLA HOUSING AUTHORITY	`frn:0008512337`	exact frn	2026-08-16 07:04:04
ULS	MICROSOFT CORPORATION	`frn:0032969891`	exact frn	2026-08-16 07:00:32

FCC ID filings

Date	FCC ID	Model	Purpose	Frequency
2021-01-04	C3K1986	1986	Change in Identification	701.5 - 2685 MHz
2020-11-23	C3K1846	1846	Original Equipment	24150 - 24250 MHz
2020-10-23	C3K1943	1943	Class II Permissive Change	5180 - 5825 MHz
2020-10-23	C3K1943	1943	Class II Permissive Change	2402 - 2480 MHz
2020-10-23	C3K1943	1943	Class II Permissive Change	2402 - 2480 MHz
2020-09-15	C3K1942	1942	Original Equipment	5180 - 5825 MHz
2020-09-15	C3K1942	1942	Original Equipment	2402 - 2480 MHz
2020-09-15	C3K1954	1954	Original Equipment	2402 - 2480 MHz
2020-09-15	C3K1969	1969	Original Equipment	2402 - 2480 MHz
2020-09-14	C3K1888	1888	Original Equipment	5180 - 5825 MHz
2020-09-14	C3K1888	1888	Original Equipment	2412 - 2462 MHz
2020-09-14	C3K1889	1889	Original Equipment	2412 - 2462 MHz
2020-09-14	C3K1889	1889	Original Equipment	5180 - 5825 MHz
2020-09-14	C3K1943	1943	Change in Identification	5180 - 5825 MHz
2020-09-14	C3K1943	1943	Change in Identification
2020-09-14	C3K1943	1943	Change in Identification	2402 - 2480 MHz
2020-09-14	C3K1943	1943	Change in Identification	2402 - 2480 MHz
2020-09-01	C3K1955	1955	Original Equipment	2402 - 2480 MHz
2020-07-22	C3K1930	1930	Original Equipment	701.5 - 2682.5 MHz
2020-07-22	C3K1930	1930	Original Equipment	2402 - 2480 MHz
2020-07-22	C3K1930	1930	Original Equipment	2402 - 2480 MHz
2020-07-22	C3K1930	1930	Original Equipment	5180 - 5825 MHz
2020-07-14	C3K1884	1884	Original Equipment	2412 - 2462 MHz
2020-07-14	C3K1884	1884	Original Equipment	5180 - 5825 MHz
2020-07-14	C3K1885	1885	Original Equipment	2412 - 2462 MHz
2020-07-14	C3K1885	1885	Original Equipment	5180 - 5825 MHz
2020-06-20	C3K1914	1914	Original Equipment	5180 - 5825 MHz
2020-06-20	C3K1914	1914	Original Equipment	2402 - 2480 MHz
2020-05-19	C3K1873	1873	Class II Permissive Change	5180 - 5825 MHz
2020-05-19	C3K1873	1873	Class II Permissive Change	2402 - 2480 MHz
2020-05-19	C3K1873	1873	Class II Permissive Change	2402 - 2480 MHz
2020-04-27	C3K1830	1830	Class II Permissive Change	2402 - 2480 MHz
2020-04-27	C3K1830	1830	Class II Permissive Change	2402 - 2480 MHz
2020-04-27	C3K1899	1899	Original Equipment	5180 - 5825 MHz
2020-04-27	C3K1900	1900	Class II Permissive Change	5180 - 5825 MHz
2020-04-27	C3K1900	1900	Class II Permissive Change	2402 - 2480 MHz
2020-04-27	C3K1900	1900	Class II Permissive Change	2402 - 2480 MHz
2020-04-27	C3K1901	1901	Class II Permissive Change	2402 - 2480 MHz
2020-04-27	C3K1901	1901	Class II Permissive Change	2402 - 2480 MHz
2020-04-27	C3K1901	1901	Class II Permissive Change	5180 - 5825 MHz
2020-04-27	C3K1926	1926	Original Equipment	13.56 MHz
2020-04-27	C3K1957	1957	Class II Permissive Change	2402 - 2480 MHz
2020-04-27	C3K1957	1957	Class II Permissive Change	2402 - 2480 MHz
2020-04-27	C3K1957	1957	Class II Permissive Change	5180 - 5825 MHz
2020-04-13	C3K1927	1927	Original Equipment	13.56 MHz
2020-04-13	C3K1927	1927	Original Equipment	704 - 2680 MHz
2020-04-13	C3K1956	1956	Class II Permissive Change	5180 - 5825 MHz
2020-04-13	C3K1956	1956	Class II Permissive Change	2402 - 2480 MHz
2020-04-13	C3K1956	1956	Class II Permissive Change	2402 - 2480 MHz
2020-03-31	C3K1830	1830	Class II Permissive Change	2402 - 2480 MHz
2020-03-31	C3K1830	1830	Class II Permissive Change	2402 - 2480 MHz
2020-03-19	C3K1900	1900	Change in Identification
2020-03-19	C3K1957	1957	Change in Identification
2020-03-03	C3K1900	1900	Change in Identification	2402 - 2480 MHz
2020-03-03	C3K1900	1900	Change in Identification	2402 - 2480 MHz
2020-03-03	C3K1900	1900	Change in Identification	5180 - 5825 MHz
2020-02-24	C3K1957	1957	Change in Identification	5180 - 5825 MHz
2020-02-24	C3K1957	1957	Change in Identification	2402 - 2480 MHz
2020-02-24	C3K1957	1957	Change in Identification	2402 - 2480 MHz
2020-02-04	C3K1901	1901	Change in Identification	2402 - 2480 MHz
2020-02-04	C3K1901	1901	Change in Identification	5180 - 5825 MHz
2020-02-04	C3K1901	1901	Change in Identification	2402 - 2480 MHz
2020-01-22	C3K1852	1852	Original Equipment	2402 - 2480 MHz
2020-01-22	C3K1852	1852	Original Equipment	2402 - 2480 MHz
2020-01-16	C3K1956	1956	Change in Identification	5180 - 5825 MHz
2020-01-16	C3K1956	1956	Change in Identification	2402 - 2480 MHz
2020-01-16	C3K1956	1956	Change in Identification	2402 - 2480 MHz
2019-12-06	C3K1925	1925	Class II Permissive Change	2402 - 2480 MHz
2019-12-06	C3K1925	1925	Class II Permissive Change	5180 - 5825 MHz
2019-12-06	C3K1925	1925	Class II Permissive Change	2402 - 2480 MHz
2019-11-14	C3K1925	1925	Change in Identification	2402 - 2480 MHz
2019-11-14	C3K1925	1925	Change in Identification	2402 - 2480 MHz
2019-11-14	C3K1925	1925	Change in Identification	5180 - 5825 MHz
2019-10-02	C3K1852	1852	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1852	1852	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1864	1864	Original Equipment	13.56 MHz
2019-10-02	C3K1867	1867	Original Equipment	5180 - 5825 MHz
2019-10-02	C3K1867	1867	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1867	1867	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1868	1868	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1868	1868	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1868	1868	Original Equipment	5180 - 5825 MHz
2019-10-02	C3K1872	1872	Original Equipment	5180 - 5825 MHz
2019-10-02	C3K1872	1872	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1872	1872	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1873	1873	Original Equipment	5180 - 5825 MHz
2019-10-02	C3K1873	1873	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1873	1873	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1876	1876	Original Equipment	5180 - 5825 MHz
2019-10-02	C3K1876	1876	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1876	1876	Original Equipment	701.5 - 2770 MHz
2019-10-02	C3K1876	1876	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1938	1938	Original Equipment	2402 - 2480 MHz
2019-10-02	C3K1938	1938	Original Equipment	2402 - 2480 MHz
2019-10-01	C3K1915	1915	Original Equipment	13.56 MHz
2019-09-27	C3K1866	1866	Class II Permissive Change	5180 - 5825 MHz
2019-09-27	C3K1866	1866	Class II Permissive Change	2402 - 2480 MHz
2019-09-27	C3K1866	1866	Class II Permissive Change	2402 - 2480 MHz
2019-09-17	C3K1853	1853	Original Equipment	2402 - 2480 MHz
2019-09-12	C3K1866	1866	Change in Identification	5180 - 5825 MHz

Universal Licensing System records

Grant date	Call sign	Service	Status	Frequency	Location	Expiration
2022-10-15	WRUX647	YG	A	464.075 - 469.2375 MHz (6 frequencies)	Hoffman Estates, COOK, IL (+1)	2032-10-15
2022-10-15	WRUX646	IG	A	457.8 - 466.35 MHz (5 frequencies)	HOFFMAN ESTATES, COOK, IL	2032-10-15
1998-04-07	WPLX877	GP	E	815.9875 - 860.9875 MHz (2 frequencies)	ATTALLA, ETOWAH, AL (+1)	2003-04-07

IBFS / ICFS filings

No filings are available yet.

Experimental filings

No filings are available yet.

Antenna Structure Registration records

No matched antenna structure registrations are available.

Licensing and Management System filings

No matched LMS filings are available.

Public Inspection File facilities

No matched Public Inspection File facilities are available.

Historical CDBS broadcast filings

No matched historical CDBS filings are available.

FCC auction participation

No matched FCC auction bidder records are available.

Robocall Mitigation Database filings

No matched Robocall Mitigation Database filings are available.

Broadband Data Collection providers

No matched BDC provider identifiers are available.

Intermediate Provider Registry

No matched Intermediate Provider Registry entries are available.

Sources and provenance

Source	Source record	Retrieved	Match
FCCID	frn:0006275291	2026-07-30 21:16:04	Confirmed Company Identity
FCCID	frn:0008512337	2026-07-30 21:18:52	Confirmed Company Identity
FCCID	frn:0032969891	2026-07-31 03:49:40	Confirmed Company Identity
FCCID	name:9fbf261b62c1d7c00db73afb	2026-07-30 21:11:28	Confirmed Company Identity
ULS	frn:0032969891	2026-08-13 12:51:17	Confirmed Company Identity

Selected field provenance

Field	Displayed value	Source	Observed
Company Name	MICROSOFT CORPORATION	ULS frn:0032969891	2026-08-13 12:51:21

Recorded identity details

Values are retained with their source and observation dates; differences are not silently overwritten.

Field	Recorded value	Source	Observed
Address	One Microsoft Way, Redmond, Washington, 98052-6399, United States	COMPANY	2026-07-29 - 2026-07-29
Email Domain	microsoft.com	ULS
Email Domain	microsoft.com	ULS
Frn	0006275291	FCCID	2026-07-29 - 2026-07-29
Frn	0008512337	FCCID	2026-07-29 - 2026-07-29
Frn	0008512337	ULS	2026-07-29 - 2026-07-29
Frn	0032969891	FCCID	2026-07-29 - 2026-07-29
Frn	0032969891	ULS	2026-07-29 - 2026-07-29
Name	ATTALLA HOUSING AUTHORITY	ULS	2026-07-29 - 2026-07-29
Name	Microsoft	ULS	2026-07-29 - 2026-07-29
Name	Microsoft	ULS	2026-07-29 - 2026-07-29
Name	Microsoft Corp	ULS	2026-07-29 - 2026-07-29
Name	Microsoft Corporation	COMPANY	2026-07-29 - 2026-07-29
Name	Microsoft Corporation	FCCID	2026-07-29 - 2026-07-29
Name	Microsoft Corporation	FCCID	2026-07-29 - 2026-07-29
Name	Microsoft Corporation	FCCID	2026-07-29 - 2026-07-29
Name	Microsoft Corporation	FCCID	2026-07-29 - 2026-07-31
Name	Microsoft Corporation	FCCID	2026-07-29 - 2026-07-29
Name	Microsoft Corporation	FCCID	2026-07-29 - 2026-07-29
Name	MICROSOFT CORPORATION	ULS	2026-07-29 - 2026-07-29
Name	MICROSOFT CORPORATION	ULS	2026-07-29 - 2026-07-29
Name	MICROSOFT CORPORATION	ULS	2026-07-29 - 2026-07-29
Name	Microsoft Corporation	ULS	2026-07-29 - 2026-07-29
Name	Microsoft Corporation	ULS	2026-07-29 - 2026-07-29
Name	Microsoft Corporation	ULS	2026-07-29 - 2026-07-29
Name	Microsoft Corporation	ULS	2026-07-29 - 2026-07-29
Name	MICROSOFT CORPORATION	ULS	2026-07-29 - 2026-07-29
Phone	2055389365	ULS
Phone	4257068757	ULS
Phone	4257068757	ULS