Spare broadcast call signs
Available KR call signs
187 of the 676 KR four-letter combinations aren't held by any broadcast station. K calls go to stations west of the Mississippi River. Click any call to check it.
Spotted a call you want? Verify it before filing.
The call sign search the FCC offers covers broadcast stations only. Our free Call Sign Check adds shortwave stations and FCC ship licenses, flags a call that was recently released or is moving to a new owner, and gives the rule behind each result.
KR call signs at a glance
Of the 676 four-letter KR combinations, 489 belong to broadcast stations and 187 are spare.
Those 489 calls are used by 535 stations (a call can be shared across services, like KXXX and KXXX-FM):
- FM: 323
- AM: 90
- LPFM: 59
- Full-power TV: 36
- Low power TV: 20
- Class A TV: 7
KR stations on the air include KRAB (FM, Greenacres, CA), KREC (FM, Brian Head, UT), KRJN (FM, Log Lane Village, CO), KRNK (FM, Casper, WY), KRRN (FM, Moapa Valley, NV), KRVI (FM, Mount Vernon, MO).
The newest KR call: KRDW-LP, a new station's first call sign on September 29, 2026.
Among the spare ones: 11 used by a ship or shortwave station, 25 old ship calls whose license lapsed. Run any of them through Call Sign Check before you file.
All spare KR call signs
Just released Used by a ship or shortwave station: check before you file Old ship call (license lapsed)
KRAG KRAS KRAU KRAX KRBF KRBJ KRBO KRBU KRBZ KRCE KRCF KRCJ KRCP KRCT KRCZ KRDB KRDD KRDI KRDJ KRDL KRDV KREA KREL KREQ KRFB KRFJ KRFK KRFQ KRFU KRFV KRFZ KRGA KRGB KRGD KRGF KRGG KRGJ KRGP KRGQ KRGS KRGZ KRHA KRHB KRHC KRHE KRHF KRHG KRHH KRHI KRHK KRHL KRHN KRHO KRHU KRHX KRHY KRIC KRIE KRIH KRIJ KRIP KRIQ KRIR KRIU KRIW KRIY KRJA KRJD KRJG KRJH KRJI KRJJ KRJL KRJP KRJQ KRJS KRJU KRJV KRJX KRJZ KRKB KRKD KRKF KRKG KRKJ KRKP KRLC KRLM KRLN KRLO KRMM KRMY KRMZ KRND KRNF KRNJ KRNL KROT KRPB KRPD KRPF KRPJ KRPK KRPN KRPO KRPP KRPQ KRPW KRPY KRPZ KRQD KRQF KRQG KRQH KRQI KRQJ KRQM KRQO KRQS KRQW KRQY KRRA KRRF KRRJ KRRP KRRU KRSG KRSI KRSZ KRTB KRTD KRTF KRTJ KRTQ KRTW KRUB KRUD KRUG KRUH KRUJ KRUK KRUL KRUO KRUQ KRUU KRUV KRUW KRUY KRWE KRWP KRWT KRWU KRWX KRWZ KRXC KRXE KRXH KRXJ KRXM KRXN KRXX KRYA KRYB KRYF KRYG KRYI KRYM KRYO KRYQ KRYR KRYT KRYU KRYV KRYW KRYY KRZB KRZC KRZD KRZF KRZH KRZJ KRZL KRZM KRZO KRZT KRZV KRZW
← KQ call signs All prefixes KS call signs →
Spare call signs by prefix
K call letters: west of the Mississippi River
- KA220
- KB203
- KC207
- KD354
- KE372
- KF366
- KG392
- KH343
- KI380
- KJ395
- KK356
- KL207
- KM284
- KN346
- KO334
- KP329
- KQ406
- KR187
- KS196
- KT209
- KU398
- KV359
- KW301
- KX365
- KY406
- KZ359
W call letters: east of the Mississippi River
- WA197
- WB176
- WC176
- WD310
- WE309
- WF314
- WG310
- WH263
- WI340
- WJ241
- WK133
- WL155
- WM174
- WN284
- WO380
- WP271
- WQ401
- WR147
- WS209
- WT242
- WU442
- WV311
- WW305
- WX376
- WY380
- WZ391
Spotted a call you want? Verify it before filing.
The call sign search the FCC offers covers broadcast stations only. Our free Call Sign Check adds shortwave stations and FCC ship licenses, flags a call that was recently released or is moving to a new owner, and gives the rule behind each result.
Current to October 16, 2026, drawn from FCC records for stations, ships and shortwave, with a fresh update each morning. Not an FCC product.