The following low-power television stations broadcast on digital or analog channel 21 in the United States:
K21AC in Victorville, etc., California
K21AF in Wrangell, Alaska
K21AM-D in Ninilchick, etc., Alaska
K21AO in Bethel, Alaska
K21BG-D in Jacksonville, Oregon
K21CA-D in Plains, Montana
K21CC in Lewiston, Idaho
K21CD-D in Ukiah, California
K21CE-D in Montpelier, Idaho
K21CK in Petersburg, Alaska
K21CX-D in Tucson, Arizona
K21DE-D in Seaside-Astoria, Oregon
K21DF in Stillwater, Oklahoma
K21DG-D in St. James, Minnesota
K21DO-D in Palm Springs, California
K21DY-D in Heber City, Utah
K21EA-D in Lake Havasu City, Arizona
K21EF-D in Pitkin, Colorado
K21EG-D in Golden Valley, Arizona
K21EI-D in Beryl/Modena, etc., Utah
K21EZ-D in Price, Utah
K21FD-D in Taos, etc., New Mexico
K21FF-D in Holyoke, Colorado
K21FL-D in Salina & Redmond, Utah
K21FO-D in Winnemucca, Nevada
K21FS-D in Eugene, Oregon
K21FT-D in Myton, Utah
K21FU-D in Topock, Arizona
K21GC in Safford, Arizona
K21GE in Camp Verde, Arizona
K21GI in Morongo Valley, California
K21GJ-D in Eureka, Nevada
K21GN-D in Alexandria, etc., Minnesota
K21GQ in Minot, North Dakota
K21GR in Joshua Tree, etc., California
K21GT-D in Dove Creek, etc., Colorado
K21GU in Midland, Texas
K21GW-D in Toquerville/Hurricane, Utah
K21HF-D in Aspen, Colorado
K21HH-D in Preston, Idaho
K21HQ-D in Glendo, Wyoming
K21HS in Norfolk, Nebraska
K21HV-D in Malad, Idaho
K21HX-D in Walker, Minnesota
K21HZ-D in Emery, Utah
K21IA-D in Waipake, Hawaii
K21IB-D in Circleville, Utah
K21IC-D in Mount Pleasant, Utah
K21ID-D in Fremont, Utah
K21IF-D in Hanksville, Utah
K21IH-D in Alton, Utah
K21II-D in Tropic, etc., Utah
K21IL-D in Apple Valley, Utah
K21IM-D in Fort Sumner, New Mexico
K21IN-D in Ridgecrest, etc., California
K21IQ-D in Escalante, Utah
K21IR-D in Childress, Texas
K21IT-D in Weatherford, Oklahoma
K21IU-D in Navajo Mtn. Sch., etc., Utah
K21IV-D in Oljeto, Utah
K21IW-D in Mexican Hat, Utah
K21IX-D in Montezuma Creek/Aneth, Utah
K21IY-D in Peoa,Oakley, Utah
K21JC-D in Pocatello, Idaho
K21JI-D in Cave Junction, etc., Oregon
K21JK-D in Montrose, Colorado
K21JL-D in Wanship, Utah
K21JM-D in Coalville, Utah
K21JN-D in Erick, Oklahoma
K21JQ-D in Walla Walla, Washington
K21JS in Harrison, Arkansas
K21JU-D in Meeteetse, Wyoming
K21JV-D in Green River, Utah
K21JW-D in Ferron, Utah
K21JX-D in Huntington, Utah
K21JY-D in Boulder, Utah
K21JZ-D in Nephi, Utah
K21KA-D in Ferndale, Montana
K21KB-D in Brookings, Oregon
K21KC-D in Bluff, etc., Utah
K21KD-D in Wyola, Montana
K21KE-D in Canyonville, Oregon
K21KF-D in Frost, Minnesota
K21KI-D in Hatch, Utah
K21KJ-D in Mineral Wells, Texas
K21KL-D in Rural Beaver County, Utah
K21KM-D in Fishlake Resort, Utah
K21KY-D in Bigfork/Marcell, Minnesota
K21LC-D in Cortez, Colorado
K21LD-D in Mazama, Washington
K21LF-D in Granite Falls, Minnesota
K21LV-D in Perryton, Texas
K21LW-D in Gazelle, California
K21LY-D in Mapleton, Oregon
K21MA-D in Emigrant, Montana
K21MB-D in Scottsburg, Oregon
KAKE in Wichita, Kansas
KBVK-LP in Spencer, Iowa
KCIB-LD in El Dorado, Arkansas
KDUG-LP in Hemet, California
KGRY-LD in Gila River Indian Co, Arizona
KHBB-LD in Helena, Montana
KHTX-LD in Huntsville, Texas
KKSU-LP in Manhattan, Kansas
KMIK-LD in Cedar Falls, Iowa
KMLF-LD in Grand Island, Nebraska
KRFT-LD in Springfield, Missouri
KRPO-LD in Quartzsite, Arizona
KRVU-LD in Redding, California
KRXI-TV in Reno, Nevada
KTOU-LD in Oklahoma City, Oklahoma
KTOV-LP in Corpus Christi, Texas
KVQT-LD in Houston, Texas
KWDA-LD in Dallas, Texas
KXTM-LP in San Antonio, Texas
KYNM-CD in Albuquerque, New Mexico
W21AU in Orlando, Florida
W21BZ in Collegedale, Tennessee
W21CK-D in Charlotte, North Carolina
W21CL in Marathon, Florida
W21CP-D in Gloversville, New York
W21CQ in Bennington, Vermont
W21CX-D in Mayaguez, Puerto Rico
W21DB-D in Meridian, Mississippi
WAPW-CD in Abingdon, etc., Virginia
WBRL-CD in Baton Rouge, Louisiana
WCGZ-LD in La Grange, Georgia
WDLP-CD in Pompano Beach, Florida
WDNM-LD in Memphis, Tennessee
WDRF-LD in Augusta, Georgia
WGBI-LP in Farmington, Maine
WKSY-LD in Summerville/Trion, Georgia
WMKE-CD in Milwaukee, Wisconsin
WOCW-LP in Charleston, West Virginia
WQDI-LD in Canton, Ohio
WSHM-LD in Springfield, Massachusetts
WTMH-LD in Kinston, North Carolina
The following low-power stations, which are no longer licensed, formerly broadcast on analog channel 21:
K21AX in Farmington, New Mexico
KJWY-LP in Salem, Oregon