CKQT

94.9 FM CKQT was on the air in Oshawa, Ontario from 1979 to 1993.
 

W239CJ

"95.7 The Lake" plays Classic Rock in Benton Harbor, Michigan.  They are the HD-2 subchannel of WQLQ and is also heard on translator W239CJ.
 

WYYL

"Y96.1" WYYL was a Country station licensed to Tunica, Mississippi from 2001 to 2006.  They were part of the Memphis, Tennessee media market.
 

WRTO

Miami, Florida's WRTO "La Kalle 98.3" played a mix of Reggaeton, Salsa, Merengue, Bachata and Latin Pop from 2005 to 2010.

WOKW

102.9 FM WOKW is an Adult Contemporary station licensed to Curwensville, Pennsylvania.
 

WGRQ / WGR / WGRF

"97 Rock" has been on the air in Buffalo, New York almost continuously since 1975.  They've had three sets of call letters that I know of--WGRQ (which is what they were when I lived there in the early 1980s), WGR-FM and currently WGRF.  To be honest, I'm not 100% sure that the top sticker is from Buffalo or is from a different "97 Rock."  Another WGRQ sticker with the classic black and white logo can be seen here.

KYRK

"Power 97" KYRK was a Top-40 station in Las Vegas, Nevada circa the late 1980s.
 

KSIS

1050 AM KSIS has been on the air in Sedalia, Missouri since February 1954.
 

KHAY

100.7 FM KHAY has been a Country music station in Oxnard/Ventura, California since 1973.
 

KCML

107.5 FM KCML was a Country station licensed to Hanford, California from 1991 to 1993.
 

CJCS

107.1 FM CJCS plays Classic Hits in Stratford, Ontario.
 

WWUC

"105.7 The Quake" WWUC was a Rock station licensed to Union City, Tennessee from 1994 to 1998.  The Quake is still around as an Active Rock outlet now with the more appropriate call letters WQAK.
 

WRDA

"Red@104.1" WRDA was a short-lived Adult Standards station in St. Louis, Missouri.  They were on the air in 2004/2005 and licensed to Hazelwood, MO.

WNFQ

A mid-1990s sticker from Adult Urban station WNFQ "Mix 100.5" in Gainesville, Florida.
 

WKCG

101.3 FM WKCG played Country music in Augusta, Maine from 1982 to 1999.
 

WFIC

1530 AM WFIC is a Religious station licensed to Collinsville, Virginia.  They are part of the North Carolina based Fundamental Broadcasting Network.
 

WCDQ

92.1 FM WCDQ was a free-form Rock/AAA station in Sanford, Maine.  They broadcast from the fictional Mount Rialto from 1986 to 1999.  According to Wikipedia WCDQ also produced their own radio plays with original music and performed them on air.
 

KVNI

1080 AM KVNI is a Classic Hits station licensed to Coeur d'Alene, Idaho, part of the Spokane, Washington radio market.  They are now simulcast on a translator at 92.5 FM.  Coupons on the back of the sticker date it to 1992 when the Broadcasting Yearbook listed them as having an Adult Contemporary/News-Talk format.

KRNB

"Magic 101" KRNB was a hybrid Top-40/Urban station in Memphis, Tennessee.  They existed from 1982 to 1990 before inexplicably dropping their perfect call letters and shifting to Urban AC as "Cool 101" WHUL.
 

KNLR

97.5 FM KNLR is a Contemporary Christian station in Bend, Oregon.