// Workers AI · dad joke modeWhat did 1640 AM say to its friend? You're on the same wavelength.

The following radio stations broadcast on AM frequency 1640 kHz: 1640 AM is a Regional broadcast frequency.

Argentina

• Hosanna in Isidro Casanova

México

• XECSIB-AM in Zamora, Michoacán

United States

All stations operate with 10 kW during the daytime and are Class B stations.

Call sign	City of license	Facility	Nighttime power (kW)	Transmitter coordinates
KBJA	Sandy, Utah	87119	1	40.713056°N 111.931389°W / 40.713056; -111.931389 (KBJA - 10 kW daytime, 1 kW nighttime)
KDIA	Vallejo, California	87108	10	37.895556°N 122.324167°W / 37.895556; -122.324167 (KDIA - 10 kW daytime) (daytime) 38.134167°N 122.425556°W / 38.134167; -122.425556 (KDIA - 10 kW nighttime) (nighttime)
KDZR	Lake Oswego, Oregon	86618	1	45.453889°N 122.546389°W / 45.453889; -122.546389 (KDZR - 10 kW daytime, 1 kW nighttime)
KZLS	Enid, Oklahoma	87168	1	36.115278°N 97.756389°W / 36.115278; -97.756389 (KZLS - 10 kW daytime, 1 kW nighttime)
WSJP	Sussex, Wisconsin	87121	1	43.077222°N 88.192222°W / 43.077222; -88.192222 (WSJP - 10 kW daytime, 1 kW nighttime)

See also

• AM expanded band
• List of AM Expanded Band station assignments issued by the Federal Communications Commission on March 17, 1997

External links

• Radio Locator list of stations on 1640
• FCC list of radio stations on 1640 kHz