http://www.bearcat1.com/free.htm

http://members.optusnet.com.au/extremescan/uspage.html

http://www.dxing.com/scanfreq.htm

http://www.durhamradio.com/freq.htm

http://www.police-scanner.info/freqs.htm#listings

Scanner frequencies for thousands of cities.

http://www.cityfreq.com/

Police scanner frequency page where you can find scanner frequency resources from across the net U.S. including free and commercial databases and lsitings.

http://www.police-scanner.info/police-scanner-frequencies.htm

SCANNER FREQUENCIES Database, Police, Fire, Rescue, Racing Frequencies, Airport, Railroad, Taxi, Amateur Radio, Ham Radio Call Signs.

http://www.nationalradiodata.com/

Radio Scanner Frequency Lists

http://www.totse.com/en/media/radio_scanner_frequency_lists/