To do a GMRS call sign lookup, go to the FCC’s Universal Licensing System at wireless2.fcc.gov, open License Search, and type the call sign into the call sign field. The database is free, requires no account, and returns the licensee’s name, status, and expiration date in about half a minute.1Federal Communications Commission. Universal Licensing System
Searching by Call Sign
GMRS call signs follow the format WRXX followed by numbers (for example, WRXX123). Enter the full call sign and submit. Because the call sign is unique, you get one result rather than a list.
The summary shows the licensee’s name, radio service code, license status, and grant and expiration dates. GMRS records use radio service code ZA.2Federal Communications Commission. General Mobile Radio Service (GMRS) Click the call sign itself to open the full record, which adds the FCC Registration Number and mailing address on file.
When You Don’t Have the Call Sign
Three alternative searches cover most situations.
By Name
Enter the licensee’s last name, or a partial name, in License Search. Common names return long lists, so select “ZA – General Mobile Radio Service” from the radio service dropdown to limit results to GMRS before submitting.
By FCC Registration Number
Every FCC licensee has a unique ten-digit FCC Registration Number (FRN) tied to all of their filings. Searching by FRN is the most precise option when you don’t have the call sign, because FRNs never duplicate the way names do.
By Geographic Coordinates
Fixed GMRS stations, including repeaters, must have their coordinates on file, which makes them findable through the ULS Geographic Search. Enter latitude and longitude in degrees, minutes, and seconds using NAD 83, then set a radius in miles or kilometers.3Universal Licensing System. Geographic Search This is the practical way to locate GMRS repeaters near you.
Reading the License Record
License Status
The status field is the piece of information that matters most. You’ll see one of these values:
- Active means the license is currently valid and the holder may operate.
- Expired means the term ended without a timely renewal, and the holder may not legally transmit.
- Terminated means the FCC cancelled the authorization, whether for rule violations or at the licensee’s request.
- Cancelled works the same way: the license is no longer valid.
Only Active authorizes GMRS operation. If a call sign you’re checking comes back Expired or Terminated, whoever is using it on the air is not currently licensed.
Grant and Expiration Dates
GMRS licenses run ten years from the date of issuance or renewal.4eCFR. 47 CFR Part 95 Subpart E – General Mobile Radio Service Renewals can be filed as early as 90 days before expiration but must be in by the expiration date itself.5eCFR. 47 CFR 1.949 – Application for Renewal of Authorization The FCC does not guarantee a grace period for late GMRS renewals.
Address and FRN
The record shows the licensee’s mailing address, which is public. If you hold a GMRS license and prefer not to display your home address, you can list a P.O. box or other alternative when you apply or update the record through the ULS. The FCC Licensing Support Center at 877-480-3201 can help with address changes.
Verifying What You Hear on the Air
Federal rules require every GMRS station to transmit its FCC-assigned call sign at the end of each transmission and at least every 15 minutes during longer conversations.6eCFR. 47 CFR 95.1751 – GMRS Station Identification The call sign must be spoken in English or sent in Morse code. Operators may add a unit number after it, but the FCC-assigned call sign is the required part. A call sign you can’t find in the ULS, or an operator who never identifies at all, is a red flag worth noting.
Who a GMRS License Actually Covers
One detail worth knowing before you conclude a name mismatch means something is wrong: a single GMRS license covers the holder’s entire immediate family. Spouse, children, grandchildren, stepchildren, parents, grandparents, stepparents, siblings, aunts, uncles, nieces, nephews, and in-laws may all operate under the same call sign, and family members have no minimum age requirement. People outside the immediate family may use the licensee’s station only for emergency communications.7eCFR. 47 CFR 95.1705 – Individual Licenses Required; Eligibility; Who May Operate; Cooperative Use
The license holder must be at least 18 to apply, and new GMRS licenses are available only to individuals for personal use. Businesses cannot obtain new GMRS licenses, but older non-individual licenses issued before the rules changed may still be active in the system.2Federal Communications Commission. General Mobile Radio Service (GMRS) If a ULS search turns up a business name on a GMRS license, it’s most likely one of those legacy authorizations.
Checking a Pending Application
License Search only returns granted authorizations, so a brand-new filing won’t appear there. To confirm the FCC received a recent application, use Application Search instead. You can look up the filing by file number or by name, and filter by the ZA radio service code to limit results to GMRS. Applications typically appear the next business day after filing.8Federal Communications Commission. Common Amateur Filing Task: Checking Application Status Once the application is granted, the record moves into License Search under a newly assigned call sign.