KFFA

1360 AM KFFA has been broadcasting from Helena, Arkansas since November 1941.  That same month, King Biscuit Time, the longest running daily Blues radio show in the US, went on the air from KFFA.  King Biscuit Time stills airs on KFFA although now from a remote studio at the Delta Cultural Center.  Most of KFFA's programming consists of Classic Country via the syndicated Real Country radio format.
 

Nash FMs

"Nash FM" is a radio station branding owned by Cumulus Media and named for the center of the Country music industry, Nashville, Tennessee.  There are currently about 6 stations that use the Nash branding and about three dozen who no longer do.  The first Nash FM was 94.7 FM WNSH in Newark, New Jersey beginning in 2013.  "Nash Icon" stations play music oriented towards artists from the 1990s and early 2000s.

WORC - Worcester, Massachusetts

WKOR - Columbus, Mississippi

KBBM - Jefferson City, Missouri

Canadian Rivers

CFYR - Whitecourt, Alberta

CKBA - Athabasca, Alberta

CKRI - Red Deer, Alberta

CKRV - Kamloops, British Columbia
 

Radio Delta

"Radio Delta" broadcast from Bielsko-Biała, Poland from 1991 to 2004.  I'm unable to figure out exactly what their relationship to the Voice of America was.  If you know, leave a comment.
 

EDIT:  See comments

Radio Paloma

Radio Paloma is based in Berlin, Germany and plays 100% German-language pop songs.
 

WUSB

Radio broadcasting at the State University of New York-Stony Brook began in 1962 with a carrier current station heard only on campus.  Efforts to secure an FM signal began in 1970 but were delayed for much of the decade.  A land deal for the transmitter site fell through and another college station at Adelphi University objected to their plans citing potential signal interference.  90.1 FM WUSB finally went on the air in June 1977.  The volunteer-run outlet is Long Island's largest non-commercial Free-Form radio station. 
 

WPOS

102.3 FM WPOS (We Proclaim Our Savior) is a Religious station licensed to Holland, Ohio near Toledo.  "Proclaim FM" airs a mix of Contemporary Christian music and brokered Talk and Teaching shows.
 

WMEB

91.9 FM WMEB (W Maine Educational Broadcasting) is the student-run station at the University of Maine in Orono.  Radio broadcasts at the UoM began back in 1926 with WGBX which featured programming mostly presented by the school's faculty.  Carrier current station WORO debuted in 1953 but could only be heard by people living on campus.  The now 10,000-watt WMEB went on the air in October 1962.

WHZR / WLHM / WSAL

1230 AM WSAL has been on the air in Logansport, Indiana since February 1949.  They air a News/Talk format as well as Sports and Adult Standards music.  The bottom sticker shows the logos for co-owned stations WLHM and WHZR.  Another sticker from WLHM can be seen here.
 

WDVH

101.7 FM WDVH was a Classic Country station in Gainesville, Florida circa 2016.  They were also heard on a translator at 94.1 FM.  WDVH is now part of the Joy FM network of Contemporary Christian stations.
 

WAVE

WAVE was on the air in Louisville, Kentucky from 1933 to 1981.  Many of those years they broadcast at 970 AM although they appeared on multiple frequencies after first going on the air in 1927 with call letters WFIW.
 

KTRC

1260 AM KTRC is a Progressive Talk station in Santa Fe, New Mexico.  They are also heard on a translator at 103.7 FM.
 

KPND

95.3 FM KPND began as a 1,000-watt Adult Contemporary station licensed to Sandpoint, Idaho.  Today they broadcast an Adult Album Alternative format with 100,000-watts and are now licensed to Deer Park, Washington.  Their signal covers both Spokane, WA and Coeur d'Alene, ID.  I love that this sticker sheet includes the original logo from when they went on the air in May of 1980.

KINN

A late '90s sticker from Adult Contemporary station 1270 AM KINN in Alamogordo, New Mexico.  They are now a News/Talk outlet also heard on a translator at 106.3 FM.  "Rock-N-Roll That Won't Hurt You" has to be one of the most unintentionally funny station slogans ever.
 

KLOG

1490 AM KLOG went on the air in Kelso, Washington in October 1949.  Formats over the years include Top-40, Adult Contemporary and Sports.  They are currently a Classic Hits outlet that is also heard on a translator at 100.7 FM.

KEJL

A 2001 sticker from KEJL "100.9 The Eagle" in Hobbs, New Mexico.  "The Eagle" now broadcasts at 100.5 FM as a translator of 1110 AM KEJL licensed to Humble City, NM. 
 

CKRD

CKRD went on the air in Red Deer, Alberta in April 1949 at 1230 on the AM dial.  They moved to 850 AM in 1954 and again to 700 AM in 1986.  A permanent move to the FM band took place in 2000 and the station is currently known as "Big 105" with the call letters CHUB.

W243CS

W243CS "Praise 96.5" is a Gospel station in Montgomery, Alabama.  They are also the HD3 subchannel of K-Love affiliate WMRK licensed to Shorter, AL.
 

KZMQ AM & FM

100.3 KZMQ is a Country station licensed to Greybull, Wyoming.  Sister station KZMQ 1140 AM flipped from Classic Country to Oldies in 2014.

Offener Kanal Berlin

Offener Kanal Berlin ("Open Channel Berlin") was a community radio and television station in Berlin, Germany.  They existed from 1985 to 2009