Article · Wikipedia archive · Last revised Jun 19, 2026

KIOO

KIOO is a commercial radio station licensed to Porterville, California, United States, and serving the Visalia-Tulare-Hanford area of Central California. It airs a classic rock format and is owned by Momentum Broadcasting LP. The studios are on East Mineral King Avenue.

Last revised
Jun 19, 2026
Read time
≈ 1 min
Length
164 w
Citations
1
Source
KIOO
Broadcast area
Frequency99.7 MHz
Branding99.7 Classic Rock
Programming
FormatClassic rock
AffiliationsWestwood One
Ownership
OwnerMomentum Broadcasting LP
KCRZ, KJUG-FM, KVMI
History
First air date
August 1, 1972 (1972-08-01)
Call sign meaning
K-100 (former branding)
Technical information1
Licensing authority
FCC
7708
ClassB
ERP25,000 watts
HAAT214 meters (702 ft)
Transmitter coordinates
36°6′26.00″N 119°1′45.00″W / 36.1072222°N 119.0291667°W / 36.1072222; -119.0291667
Links
Public license information
WebcastListen live
Website997classicrock.com

KIOO (99.7 FM) is a commercial radio station licensed to Porterville, California, United States, and serving the Visalia-Tulare-Hanford area of Central California. It airs a classic rock format and is owned by Momentum Broadcasting LP. The studios are on East Mineral King Avenue.

History

KIOO signed on the air on August 1, 1972. It was the sister station of KTIP 1450 AM. In its early years, KIOO aired an automated beautiful music format, featuring instrumental cover versions of popular adult songs.

External links