Spare broadcast call signs
Available WC call signs
176 of the 676 WC 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.
WC call signs at a glance
Of the 676 four-letter WC combinations, 500 belong to broadcast stations and 176 are spare.
Those 500 calls are used by 567 stations (a call can be shared across services, like KXXX and KXXX-FM):
- FM: 303
- AM: 145
- Full-power TV: 52
- LPFM: 44
- Low power TV: 20
- Class A TV: 3
WC stations on the air include WCAB (AM, Rutherfordton, NC), WCDY (FM, Mcbain, MI), WCID (FM, Enfield, NY), WCLY (AM, Bridport, VT), WCPN (FM, Lorain, OH), WCTT (AM, Corbin, KY).
The latest WC call sign change: WCDM became WCDI on September 17, 2026.
Among the spare ones: 10 used by a ship or shortwave station, 15 old ship calls whose license lapsed. Run any of them through Call Sign Check before you file.
All spare WC call signs
Just released Used by a ship or shortwave station: check before you file Old ship call (license lapsed)
WCAD WCAE WCAF WCAG WCAH WCAJ WCAK WCAQ WCAS WCAW WCBO WCBP WCDD WCDP WCDU WCEE WCEJ WCEK WCEP WCEQ WCEU WCEV WCEW WCEX WCEY WCFD WCFF WCFH WCFK WCFP WCFQ WCFU WCFV WCFY WCFZ WCGG WCGJ WCGU WCHF WCHH WCHN WCHQ WCHZ WCJA WCJD WCJE WCJF WCJH WCJI WCJJ WCJN WCJP WCJQ WCJR WCJS WCJT WCJV WCJY WCKD WCKE WCKH WCKR WCKU WCMS WCNE WCNF WCNJ WCNQ WCNS WCNW WCNX WCPD WCPF WCPG WCPJ WCPM WCPQ WCPU WCPW WCQB WCQD WCQE WCQF WCQG WCQH WCQI WCQJ WCQK WCQN WCQO WCQP WCQQ WCQU WCQW WCQX WCQY WCQZ WCSA WCSE WCSQ WCTF WCTJ WCUA WCUD WCUF WCUI WCUJ WCUK WCUM WCUN WCUO WCUQ WCUS WCUT WCUU WCUV WCUX WCUY WCUZ WCVD WCVZ WCWC WCWE WCWH WCWK WCWM WCWO WCWQ WCWS WCWU WCWX WCWY WCWZ WCXA WCXC WCXD WCXF WCXG WCXH WCXJ WCXM WCXW WCXY WCYA WCYD WCYF WCYG WCYH WCYL WCYM WCYP WCYR WCYS WCYU WCYV WCYW WCYX WCZA WCZB WCZC WCZD WCZF WCZG WCZH WCZI WCZJ WCZK WCZL WCZM WCZN WCZO WCZP WCZQ WCZS WCZV WCZW
← WB call signs All prefixes WD 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.