Mt Diablo Unified School District
1480 Gasoline Alley, Concord, CA, 94520, US
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 |
|---|---|---|
| Mt Diablo Unified School District | 0022650741 | Same recorded name with a different FRN |
| Mt. Diablo Unified School District | 0019705532 | Same recorded name with a different FRN |
Data coverage
| FCC source | Matched entities | Last refreshed |
|---|---|---|
| ULS | 2 | 2026-08-09 03:05:43 |
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 |
|---|---|---|---|---|
| ULS | Mt Diablo Unified School District | frn:0033882648 | exact frn | 2026-08-09 03:05:43 |
| ULS | Mt. Diablo Unified School District | frn:0004555371 | exact frn | 2026-08-09 02:58:06 |
Universal Licensing System records
| Grant date | Call sign | Service | Status | Frequency | Location | Expiration |
|---|---|---|---|---|---|---|
| 2025-04-30 | WSIC314 | IG | A | 451.1875 - 456.5375 MHz (5 frequencies) | Bay Point, CONTRA COSTA, CA | 2035-04-30 |
| 2024-08-06 | WSEB362 | IG | A | 452.4875 - 457.6875 MHz (5 frequencies) | Pleasant Hill, CONTRA COSTA, CA | 2034-08-06 |
| 2024-07-25 | WSDX741 | IG | A | 451.4875 - 457.8875 MHz (5 frequencies) | Concord, CONTRA COSTA, CA | 2034-07-25 |
| 2023-06-22 | WRXR636 | IG | A | 451.2375 - 456.4125 MHz (5 frequencies) | CONCORD, CONTRA COSTA, CA | 2033-06-22 |
| 2022-07-12 | WNBU652 | GE | A | 854.9375 MHz | CLAYTON, CONTRA COSTA, CA (+2) | 2032-06-23 |
| 2011-03-29 | KNAO332 | IG | E | 42.96 MHz | PITTSBURG, CONTRA COSTA, CA (+2) | 2021-01-23 |
IBFS / ICFS filings
No filings are available yet.
Experimental filings
No filings are available yet.
FCC ID filings
No matched FCC ID filings are available.
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 |
|---|---|---|---|
| ULS | frn:0004555371 | 2026-08-04 04:29:51 | Confirmed Company Identity |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Company Name | Mt Diablo Unified School District | ULS frn:0004555371 | 2026-08-04 04:29:52 |
Recorded identity details
Values are retained with their source and observation dates; differences are not silently overwritten.
| Field | Recorded value | Source | Observed |
|---|---|---|---|
| Address | 1480 Gasoline Alley, Concord, CA, 94520, US | COMPANY | 2026-07-29 - 2026-07-29 |
| Email Domain | mdusd.org | ULS | |
| Email Domain | mdusd.org | ULS | |
| Email Domain | mdusd.org | ULS | |
| Email Domain | mdusd.org | ULS | |
| Email Domain | mdusd.org | ULS | |
| Frn | 0004555371 | ULS | 2026-07-29 - 2026-07-29 |
| Frn | 0033882648 | ULS | 2026-07-29 - 2026-07-29 |
| Name | Mt Diablo Unified School District | COMPANY | 2026-07-29 - 2026-07-29 |
| Name | Mt Diablo Unified School District | ULS | 2026-07-29 - 2026-07-29 |
| Name | Mt Diablo Unified School District | ULS | 2026-07-29 - 2026-07-29 |
| Name | Mt Diablo Unified School District | ULS | 2026-07-29 - 2026-07-29 |
| Name | Mt. Diablo Unified School District | ULS | 2026-07-29 - 2026-07-29 |
| Phone | 9254586101 | ULS | |
| Phone | 9256828000 | ULS | |
| Phone | 9256828000 | ULS | |
| Phone | 9256870363 | ULS | |
| Phone | 9258257440 | ULS | |
| Phone | 9259577701 | ULS |