{{Infobox radio station
| name = KZSF
| image =
| image_size =
| alt =
| caption =
| city = [[San Jose, California]]
| area = San Jose, CA
| branding =
| slogan = La Kaliente
| frequency = 1370 [[kilohertz|kHz]]
| translator =
| repeater =
| airdate = August 21, 1947
| last airdate =
| format = [[Spanish CHR/Latino]]
| language = Spanish
| power =
| erp = 5 kW daytime
5 kW night
| haat =
| class = B
| facility_id = 68841
| coordinates = {{coord|37.3578|-121.8725|type:landmark_region:US_source:FCC|display=inline,title}}
| callsign_meaning =
| former_callsigns =
| former_frequencies =
| affiliations =
| operator =
| owner =
| licensee = Carlos Duharte
| sister_stations =
| webcast =
| website = [https://lakaliente1370am.com/] lakaliente1370am.com
}}

'''KZSF''' is an American ([[AM Broadcasting|AM]]) [[radio station]] licensed by the [[Federal Communications Commission|FCC]] to serve the community of [[San Jose, California]] on the frequency of 1370 [[kilohertz|kHz]]. The station license is assigned to Carlos Duharte. KZSF-AM) airs a [[Spanish CHR/Latino]] format.

The [[FCC]] first licensed this station to begin operations on August 21, 1947 using callsign KEEN.<ref name=fcchistory>{{cite web|url=https://licensing.fcc.gov/cgi-bin/prod/cdbs/forms/prod/getimportletter_exh.cgi?import_letter_id=37512|publisher=Federal Communications Commission|title=FCC History card for KEEN}}</ref>

The station has held the KZSF callsign since January 20, 1998.<ref name="fcccsh">{{cite web |title=Call Sign History|url= http://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/pubacc/prod/call_hist.pl?Facility_id=68841&Callsign=KZSF |work=FCC Media Bureau CDBS Public Access Database}}</ref>
==Stations that have used the KZSF CallSign==
{| class="wikitable"
|-
! Current Call Sign
! City, State
! Frequency
|-
| [[KEXC]] || [[ Alameda, CA]] ||align=right| 92.7 MHz
|}
==Call signs used at this station==
{| class="wikitable"
|-
! As Of
! Call Sign
|-
||| KEEN ||
|-
|October 11, 1993|| KKSJ ||
|-
|January 20, 1998|| KZSF ||
|}
==References==
{{reflist}}
==External links==
* [https://lakaliente1370am.com/ lakaliente1370am.com] Official KZSF AM Website
* FCC Public Inspection File online [https://publicfiles.fcc.gov/am-profile/kzsf]
* {{ AM station data|KZSF}}
{{-}}
[[Category:Radio stations in California]]
[[Category:Radio stations established in 1947]]
[[Category:1947 establishments in California]]
[[Category: Radio stations in the United States]]
{{ California-radio-station-stub}}