| Broadcast area | Guam |
|---|---|
| Frequency | 99.5 MHz |
| Branding | Route 99 FM |
| Programming | |
| Format | Country music |
| Ownership | |
| Owner | Glimpse Media |
| KGUM-FM, KZGZ, KPXP | |
| History | |
First air date | July 12, 1991 (Northern Mariana Islands) August 13, 2014 (on Guam) |
Call sign meaning | ZGUam |
| Technical information [1] | |
Licensing authority | FCC |
| Facility ID | 60854 |
| Class | C2 |
| ERP | 17,000 watts |
| HAAT | 197 meters |
Transmitter coordinates | 13°29′21″N144°49′41″E / 13.48917°N 144.82806°E |
| Links | |
Public license information | |
| Website | https://route99fm.com/ |
KZGU, (99.5 FM), branded as Route 99 FM is a commercial FM radio station which is licensed to Mangilao, Guam owned by Glimpse Media, it has had a country music radio format since 2025.
The station was assigned the KPXP call letters by the Federal Communications Commission on July 12, 1991. [2] The station changed to its current KZGU call sign on April 21, 2014, coinciding with its move to Guam from the Northern Mariana Islands. At the same time, the former KRSI became KPXP, retaining the Power 99 name and format despite being on 97.9 MHz.
On October 12, 2023, Sorensen Media Group opted to sell the station to Glimpse Media, and after a lot of speculation about the station's future. On the next day, radio station signed off together with sister stations KGUM-FM, KGUM (AM) and KZGZ, due to a format changes.
On March 8, 2025, KZGU relaunched for 98.7 into country music as "Route 99".
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| Defunct |
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