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Spare broadcast call signs

Available KW call signs

300 of the 676 KW 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.

KW call signs at a glance

Of the 676 four-letter KW combinations, 376 belong to broadcast stations and 300 are spare.

Those 376 calls are used by 403 stations (a call can be shared across services, like KXXX and KXXX-FM):

  • FM: 209
  • AM: 85
  • LPFM: 58
  • Full-power TV: 30
  • Low power TV: 19
  • Class A TV: 2

KW stations on the air include KWAA (FM, Mart, TX), KWES (AM, Ruidoso, NM), KWIX (AM, Moberly, MO), KWMR (FM, Point Reyes Station, CA), KWPW (FM, Robinson, TX), KWTS (FM, Canyon, TX).

The newest KW call: KWEE-LP, a new station's first call sign on September 22, 2026.

Among the spare ones: 1 released in the last 60 days, 3 old ship calls whose license lapsed. Run any of them through Call Sign Check before you file.

Just released

KWYU

All spare KW call signs

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

KWAE KWAF KWAG KWAH KWAJ KWAL KWAN KWAQ KWAU KWAZ KWBI KWBK KWBO KWBS KWBV KWBX KWCB KWCE KWCG KWCI KWCJ KWCR KWCS KWCT KWCU KWCY KWCZ KWDA KWDE KWDG KWDH KWDI KWDL KWDN KWDP KWDR KWDS KWDT KWDU KWDV KWDX KWDY KWDZ KWEA KWEF KWEG KWEI KWEJ KWEK KWEO KWEQ KWER KWEU KWEV KWEZ KWFA KWFD KWFE KWFG KWFK KWFP KWFQ KWFU KWFV KWFW KWFY KWFZ KWGA KWGC KWGE KWGG KWGH KWGI KWGJ KWGK KWGM KWGQ KWGT KWGU KWGV KWGW KWGX KWGY KWGZ KWHC KWHG KWHM KWHO KWHR KWHU KWHV KWHX KWHZ KWIB KWIF KWIG KWIH KWII KWIJ KWIO KWIR KWIU KWIV KWIW KWIY KWJA KWJE KWJF KWJG KWJH KWJI KWJL KWJN KWJO KWJQ KWJR KWJS KWJT KWJU KWJW KWJX KWJY KWKE KWKF KWKG KWKI KWKP KWKU KWKV KWKX KWKY KWLH KWLI KWLQ KWLW KWLX KWMA KWMB KWMH KWMI KWMK KWMM KWMP KWMQ KWNF KWNH KWNI KWNJ KWNP KWNT KWNU KWNX KWNY KWOB KWOI KWOM KWOO KWOP KWOQ KWOV KWOY KWPD KWPE KWPF KWPG KWPH KWPI KWPJ KWPO KWPP KWPY KWQB KWQD KWQE KWQF KWQG KWQH KWQI KWQJ KWQK KWQL KWQM KWQN KWQO KWQP KWQR KWQS KWQT KWQU KWQV KWQY KWQZ KWSG KWSJ KWSY KWSZ KWTA KWTE KWTI KWTJ KWTK KWTM KWTP KWTQ KWTT KWTY KWTZ KWUA KWUB KWUC KWUD KWUE KWUG KWUH KWUI KWUJ KWUK KWUM KWUO KWUQ KWUU KWUV KWUX KWUY KWVB KWVC KWVD KWVG KWVJ KWVK KWVM KWVO KWVQ KWVS KWVU KWVW KWVX KWVY KWWB KWWC KWWF KWWG KWWH KWWI KWWP KWWQ KWWX KWWZ KWXA KWXB KWXE KWXF KWXG KWXH KWXI KWXJ KWXK KWXN KWXO KWXP KWXQ KWXR KWXU KWXV KWXW KWYA KWYF KWYH KWYI KWYJ KWYM KWYQ KWYU KWYV KWZA KWZB KWZC KWZD KWZE KWZF KWZG KWZH KWZI KWZJ KWZK KWZL KWZM KWZN KWZO KWZP KWZQ KWZR KWZS KWZT KWZU KWZV KWZW KWZX KWZY KWZZ

← KV call signs All prefixes KX 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.

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.

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