Spare broadcast call signs

Available KN call signs

346 of the 676 KN 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.

KN call signs at a glance

Of the 676 four-letter KN combinations, 330 belong to broadcast stations and 346 are spare.

Those 330 calls are used by 361 stations (a call can be shared across services, like KXXX and KXXX-FM):

FM: 209
AM: 70
Full-power TV: 31
LPFM: 29
Low power TV: 16
Class A TV: 6

KN stations on the air include KNAA (FM, Show Low, AZ), KNCV (FM, North Platte, NE), KNFZ (FM, Bosque Farms, NM), KNMA (FM, Tularosa, NM), KNRK (FM, Camas, WA), KNUI (AM, Wailuku, HI).

The latest KN call sign change: KGSR became KNMF on September 18, 2026.

Among the spare ones: 1 used by a ship or shortwave station, 26 old ship calls whose license lapsed. Run any of them through Call Sign Check before you file.

All spare KN call signs

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

KNAE KNAJ KNAO KNAP KNAW KNAX KNAY KNBD KNBF KNBG KNBH KNBI KNBK KNBM KNBP KNBU KNBV KNBW KNCF KNCG KNCL KNCS KNCX KNCZ KNDF KNDG KNDJ KNDQ KNDT KNDV KNDX KNEG KNEJ KNEQ KNER KNFB KNFC KNFD KNFE KNFF KNFG KNFH KNFI KNFJ KNFK KNFN KNFP KNFQ KNFU KNFV KNFW KNFY KNGB KNGD KNGE KNGG KNGH KNGI KNGK KNGL KNGP KNGQ KNGR KNGU KNGV KNGX KNGY KNGZ KNHB KNHE KNHF KNHG KNHH KNHI KNHJ KNHN KNHQ KNHU KNHV KNHW KNHX KNHY KNHZ KNIE KNIF KNIG KNII KNIJ KNIP KNIQ KNIU KNIW KNIY KNJA KNJB KNJD KNJE KNJF KNJG KNJH KNJI KNJJ KNJK KNJL KNJM KNJN KNJO KNJP KNJQ KNJR KNJS KNJT KNJU KNJV KNJW KNJX KNJY KNJZ KNKA KNKB KNKD KNKE KNKF KNKG KNKH KNKM KNKN KNKQ KNKS KNKU KNKV KNKW KNKY KNKZ KNLI KNLJ KNLK KNLO KNLQ KNLU KNLZ KNMG KNMH KNMK KNMN KNMP KNMR KNMS KNMU KNMV KNMY KNNC KNNF KNNH KNNI KNNJ KNNL KNNM KNNN KNNO KNNP KNNQ KNNS KNNT KNNV KNNW KNNX KNNY KNOA KNOC KNOH KNOI KNOJ KNOK KNOQ KNOU KNOY KNPA KNPD KNPF KNPK KNPO KNPP KNPT KNPU KNPV KNPW KNPX KNPY KNPZ KNQA KNQB KNQC KNQD KNQE KNQF KNQG KNQH KNQI KNQJ KNQK KNQL KNQM KNQN KNQO KNQP KNQQ KNQR KNQS KNQT KNQU KNQV KNQW KNQX KNQY KNQZ KNRA KNRD KNRE KNRF KNRH KNRJ KNRL KNRM KNRN KNRP KNRT KNRU KNRW KNRY KNRZ KNSF KNSV KNSX KNTA KNTB KNTD KNTF KNTG KNTJ KNTM KNTP KNTQ KNTT KNTW KNTZ KNUA KNUB KNUC KNUD KNUF KNUG KNUH KNUK KNUO KNUP KNUR KNUU KNUX KNUY KNVB KNVD KNVF KNVG KNVH KNVI KNVJ KNVK KNVL KNVP KNVS KNVT KNVV KNVW KNVX KNVY KNVZ KNWE KNWJ KNWK KNWL KNWW KNWX KNXA KNXB KNXC KNXD KNXE KNXF KNXH KNXI KNXJ KNXK KNXL KNXM KNXO KNXP KNXQ KNXS KNXU KNXW KNXY KNXZ KNYA KNYB KNYC KNYF KNYG KNYH KNYI KNYJ KNYK KNYL KNYM KNYP KNYQ KNYS KNYT KNYU KNYV KNYW KNYX KNYY KNYZ KNZB KNZC KNZD KNZE KNZF KNZG KNZH KNZI KNZJ KNZK KNZL KNZM KNZN KNZO KNZP KNZQ KNZT KNZU KNZV KNZW KNZX KNZY

← KM call signs All prefixes KO call signs →

Spare call signs by prefix

K call letters: west of the Mississippi River

W call letters: east of the Mississippi River

Spotted a call you want? Verify it before filing.

Current to October 16, 2026, drawn from FCC records for stations, ships and shortwave, with a fresh update each morning. Not an FCC product.