Spare broadcast call signs
Available WB call signs
176 of the 676 WB 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.
WB call signs at a glance
Of the 676 four-letter WB combinations, 500 belong to broadcast stations and 176 are spare.
Those 500 calls are used by 544 stations (a call can be shared across services, like KXXX and KXXX-FM):
- FM: 293
- AM: 122
- LPFM: 51
- Full-power TV: 39
- Class A TV: 22
- Low power TV: 17
WB stations on the air include WBAA (AM, West Lafayette, IN), WBEL (AM, South Beloit, IL), WBHV (AM, State College, PA), WBLV (FM, Twin Lake, MI), WBQQ (FM, Kennebunk, ME), WBUP (Full-power TV, Ishpeming, MI).
The latest WB call sign change: WFNX-LP became WBCN-LP on July 20, 2026.
Among the spare ones: 3 released in the last 60 days, 10 used by a ship or shortwave station, 24 old ship calls whose license lapsed. Run any of them through Call Sign Check before you file.
Just released
All spare WB call signs
Just released Used by a ship or shortwave station: check before you file Old ship call (license lapsed)
WBAH WBAO WBAQ WBAS WBAU WBAW WBAX WBBU WBCC WBCD WBCF WBCP WBCS WBCZ WBDA WBDB WBDD WBDE WBDF WBDH WBDI WBDJ WBDL WBDM WBDN WBDO WBDP WBDQ WBDS WBDU WBDV WBDW WBDZ WBEF WBEG WBEI WBEP WBEU WBFP WBFQ WBFU WBFV WBGD WBGJ WBHA WBHE WBHG WBHH WBHI WBHO WBID WBIU WBIV WBJA WBJE WBJF WBJG WBJH WBJJ WBJK WBJM WBJN WBJO WBJP WBJQ WBJR WBJS WBJT WBJU WBJX WBJZ WBKD WBKE WBKF WBKH WBKJ WBLG WBLP WBMO WBMP WBMU WBMY WBNE WBNM WBNN WBNP WBNU WBNZ WBOA WBOD WBOH WBOQ WBOV WBOZ WBPB WBPD WBPF WBPJ WBPK WBPO WBPP WBPQ WBPS WBPY WBQD WBQG WBQH WBQI WBQJ WBQL WBQM WBQS WBQU WBQV WBQW WBQY WBQZ WBRJ WBSO WBTD WBTH WBTK WBUE WBUM WBUQ WBUU WBUW WBVA WBVC WBVD WBVF WBVG WBVH WBVK WBVO WBVQ WBVS WBVT WBVU WBVV WBVW WBVY WBVZ WBWF WBWI WBWQ WBWR WBWS WBWT WBWU WBWW WBXA WBXD WBXG WBXK WBXO WBXP WBXS WBXT WBXU WBXV WBXW WBXY WBYE WBYF WBYI WBYK WBYQ WBYU WBYV WBYW WBZJ WBZP WBZS WBZU WBZV
← WA call signs All prefixes WC 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.