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Spare broadcast call signs

Available WT call signs

242 of the 676 WT four-letter combinations aren't held by any broadcast station. W calls go to stations east 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.

WT call signs at a glance

Of the 676 four-letter WT combinations, 434 belong to broadcast stations and 242 are spare.

Those 434 calls are used by 477 stations (a call can be shared across services, like KXXX and KXXX-FM):

  • FM: 198
  • AM: 121
  • Full-power TV: 72
  • LPFM: 44
  • Low power TV: 29
  • Class A TV: 13

WT stations on the air include WTAC (FM, Burton, MI), WTEM (AM, Washington, DC), WTJS (FM, Alamo, TN), WTMN (AM, Gainesville, FL), WTRO (AM, Dyersburg, TN), WTVD (Full-power TV, Durham, NC).

The latest WT call sign change: W18FQ-D became WTTN-LD on September 2, 2026.

Among the spare ones: 2 released in the last 60 days, 9 used by a ship or shortwave station, 4 old ship calls whose license lapsed. Run any of them through Call Sign Check before you file.

Just released

WTSD WTYX

All spare WT call signs

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

WTAA WTAB WTAF WTAH WTAU WTAV WTBA WTBD WTBE WTBW WTCP WTCZ WTDB WTDC WTDD WTDE WTDF WTDG WTDH WTDI WTDJ WTDL WTDM WTDN WTDO WTDP WTDQ WTDS WTDT WTDU WTDV WTDW WTDX WTDZ WTEA WTED WTEE WTEG WTEH WTEI WTEJ WTEK WTEO WTEP WTEQ WTER WTET WTEU WTEW WTEX WTEY WTEZ WTFA WTFC WTFD WTFE WTFF WTFG WTFH WTFI WTFJ WTFK WTFP WTFQ WTFS WTFU WTFV WTFW WTFY WTFZ WTGI WTGJ WTGK WTGQ WTGU WTGW WTHE WTHF WTHH WTHW WTHY WTHZ WTIA WTIE WTIH WTII WTIT WTIW WTIY WTIZ WTJA WTJD WTJE WTJG WTJH WTJI WTJJ WTJL WTJM WTJO WTJQ WTJZ WTKH WTKP WTKQ WTLL WTLU WTMF WTML WTMQ WTMV WTMW WTNF WTNQ WTNU WTNW WTOI WTOQ WTOT WTOZ WTPD WTPE WTPF WTPH WTPI WTPK WTPO WTPQ WTPU WTPV WTPW WTPY WTPZ WTQA WTQB WTQC WTQD WTQE WTQF WTQG WTQH WTQI WTQJ WTQK WTQL WTQM WTQN WTQO WTQP WTQQ WTQT WTQU WTQV WTQW WTQX WTQY WTQZ WTRD WTRI WTRP WTRQ WTSD WTSI WTSL WTST WTSZ WTTD WTTJ WTTQ WTUD WTUH WTUI WTUJ WTUM WTUN WTUO WTUQ WTUR WTUT WTUV WTUW WTUY WTVV WTWE WTWI WTWJ WTWM WTWP WTWQ WTWR WTWU WTWW WTWY WTXA WTXB WTXC WTXD WTXE WTXG WTXH WTXJ WTXM WTXN WTXP WTXQ WTXS WTXU WTXV WTXZ WTYA WTYF WTYH WTYI WTYK WTYM WTYO WTYP WTYQ WTYR WTYT WTYU WTYV WTYW WTYX WTYY WTYZ WTZA WTZC WTZD WTZF WTZG WTZH WTZJ WTZK WTZL WTZO WTZR WTZS WTZU WTZV WTZW WTZZ

← WS call signs All prefixes WU 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.

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.