Spare broadcast call signs

Available KK call signs

356 of the 676 KK 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.

Found one you like? Check it before you file.

The FCC's own call sign search only looks at broadcast stations. Our free Call Sign Check also looks at FCC ship licenses and shortwave stations, tells you if a call was just released or is changing hands, and explains the rule behind every answer.

KK call signs at a glance

Of the 676 four-letter KK combinations, 320 belong to broadcast stations and 356 are spare.

Those 320 calls are used by 338 stations (a call can be shared across services, like KXXX and KXXX-FM):

FM: 224
AM: 62
LPFM: 20
Low power TV: 16
Full-power TV: 10
Class A TV: 5

KK stations on the air include KKAB (Full-power TV, Truth Or Consequences, NM), KKDA (AM, Grand Prairie, TX), KKHK (FM, Carmel, CA), KKLY (FM, El Paso, TX), KKPT (FM, Little Rock, AR), KKTZ (FM, Mountain Home, AR).

The newest KK call: KKDN-LP, a new station's first call sign on September 9, 2026.

Among the spare ones: 1 used by a ship or shortwave station, 3 old ship calls whose license lapsed. Run any of them through Call Sign Check before you file.

All spare KK call signs

Just released Used by a ship or shortwave station: check before you file Old ship call (license lapsed)

KKAA KKAE KKAH KKAK KKAO KKAR KKAV KKAW KKAZ KKBC KKBF KKBH KKBK KKBM KKBP KKBU KKBX KKBY KKCA KKCC KKCE KKCF KKCG KKCI KKCJ KKCM KKCS KKCU KKCX KKCZ KKDB KKDE KKDF KKDH KKDI KKDK KKDP KKDR KKDU KKDW KKDX KKEB KKEC KKEF KKEJ KKEK KKEM KKEO KKEP KKES KKEU KKEV KKEW KKFA KKFB KKFC KKFE KKFF KKFH KKFK KKFP KKFQ KKFU KKFV KKFW KKFY KKFZ KKGA KKGC KKGD KKGE KKGF KKGG KKGH KKGI KKGJ KKGN KKGP KKGS KKGU KKGV KKGW KKGY KKGZ KKHC KKHD KKHE KKHF KKHG KKHH KKHL KKHM KKHN KKHO KKHP KKHS KKHU KKHV KKHW KKHX KKHY KKHZ KKIB KKIE KKIF KKIG KKIH KKII KKIJ KKIL KKIO KKIP KKIR KKIU KKIV KKIW KKIY KKIZ KKJE KKJF KKJH KKJI KKJJ KKJN KKJP KKJR KKJS KKJT KKJU KKJV KKJW KKJY KKKA KKKB KKKC KKKD KKKE KKKF KKKG KKKH KKKI KKKK KKKL KKKM KKKN KKKO KKKP KKKQ KKKR KKKS KKKT KKKU KKKV KKKW KKKX KKKY KKKZ KKLL KKMB KKMD KKMF KKMH KKML KKMM KKMN KKMQ KKMU KKMW KKMZ KKNA KKNC KKNF KKNH KKNJ KKNK KKNP KKNQ KKNR KKNV KKNY KKNZ KKOC KKOD KKOE KKOF KKOG KKOM KKOQ KKOU KKOX KKPA KKPB KKPC KKPE KKPF KKPG KKPH KKPI KKPJ KKPO KKPP KKPQ KKPU KKPV KKPW KKPY KKPZ KKQB KKQC KKQD KKQE KKQF KKQG KKQH KKQI KKQJ KKQK KKQL KKQM KKQN KKQO KKQP KKQR KKQS KKQT KKQU KKQV KKQW KKQZ KKRE KKRJ KKRU KKRW KKRY KKSK KKSN KKSQ KKSX KKSZ KKTA KKTB KKTD KKTE KKTG KKTH KKTI KKTJ KKTN KKTP KKUC KKUD KKUE KKUF KKUG KKUH KKUI KKUJ KKUK KKUL KKUM KKUN KKUO KKUQ KKUR KKUV KKUX KKUY KKUZ KKVA KKVB KKVC KKVD KKVE KKVF KKVG KKVH KKVJ KKVK KKVL KKVN KKVP KKVQ KKVS KKVW KKVX KKVY KKVZ KKWH KKWI KKWJ KKWM KKWO KKWP KKWR KKWT KKWU KKWW KKWX KKXB KKXC KKXD KKXE KKXF KKXG KKXH KKXJ KKXM KKXN KKXO KKXP KKXQ KKXR KKXS KKXU KKXV KKXW KKXY KKXZ KKYB KKYC KKYD KKYE KKYF KKYG KKYH KKYI KKYJ KKYM KKYO KKYP KKYQ KKYT KKYU KKYV KKYW KKZA KKZB KKZC KKZD KKZE KKZF KKZG KKZH KKZJ KKZK KKZL KKZM KKZN KKZO KKZP KKZR KKZS KKZT KKZV KKZW KKZZ

← KJ call signs All prefixes KL call signs →

Spare call signs by prefix

K call signs: stations west of the Mississippi River

W call signs: stations east of the Mississippi River

Found one you like? Check it before you file.

From the FCC's station, ship and shortwave records as of October 16, 2026, updated every morning. Not a product of the FCC.