Spare broadcast call signs
Available KS call signs
196 of the 676 KS 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.
KS call signs at a glance
Of the 676 four-letter KS combinations, 480 belong to broadcast stations and 196 are spare.
Those 480 calls are used by 530 stations (a call can be shared across services, like KXXX and KXXX-FM):
- FM: 290
- AM: 95
- Full-power TV: 54
- LPFM: 51
- Low power TV: 31
- Class A TV: 9
KS stations on the air include KSAB (FM, Robstown, TX), KSED (FM, Sedona, AZ), KSIV (AM, Clayton, MO), KSMO (AM, Salem, MO), KSQL (FM, Santa Cruz, CA), KSTQ (FM, Stuart, OK).
The latest KS call sign change: K12YH-D became KSFK-LD on September 24, 2026.
Among the spare ones: 10 used by a ship or shortwave station, 11 old ship calls whose license lapsed. Run any of them through Call Sign Check before you file.
All spare KS call signs
Just released Used by a ship or shortwave station: check before you file Old ship call (license lapsed)
KSAD KSAG KSAU KSAV KSBD KSBE KSBG KSBH KSBM KSBP KSBX KSCF KSCP KSCX KSDD KSDF KSDG KSDI KSDU KSDV KSEB KSEU KSEW KSEX KSEY KSFD KSFF KSFG KSFH KSFJ KSFU KSFW KSGB KSGD KSGE KSGH KSGI KSGJ KSGK KSGP KSGQ KSGX KSGY KSHG KSHH KSHN KSHS KSHT KSHX KSHY KSHZ KSIA KSIC KSIE KSIH KSIJ KSIO KSIP KSIQ KSIU KSIY KSIZ KSJA KSJL KSJM KSJU KSJW KSKH KSKM KSKW KSKX KSLF KSLH KSLI KSLJ KSLW KSMC KSMP KSNU KSOB KSOD KSOE KSOJ KSOQ KSOT KSOV KSPJ KSPU KSPV KSPY KSQB KSQC KSQE KSQF KSQG KSQH KSQI KSQJ KSQK KSQN KSQO KSQP KSQU KSQV KSQW KSQZ KSRJ KSRK KSRL KSRU KSSF KSSG KSSP KSSV KSSY KSTA KSTB KSTD KSUC KSUF KSUJ KSUK KSUO KSUQ KSUS KSUY KSUZ KSVD KSVF KSVH KSVJ KSVO KSVS KSVV KSVW KSVZ KSWA KSWH KSWQ KSWU KSXB KSXC KSXD KSXG KSXH KSXI KSXJ KSXK KSXL KSXN KSXO KSXP KSXQ KSXR KSXS KSXT KSXU KSXV KSXW KSXX KSXZ KSYA KSYE KSYG KSYH KSYI KSYJ KSYK KSYO KSYP KSYQ KSYR KSYT KSYW KSYX KSYY KSZA KSZB KSZC KSZD KSZE KSZF KSZH KSZI KSZJ KSZM KSZO KSZP KSZQ KSZS KSZT KSZU KSZV KSZW KSZY KSZZ
← KR call signs All prefixes KT 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.