• Associations
  • ASAE Directory of Associations Online http://www.asaenet.org/cda/asae/associations_search/1,3200,MEN3,00.html
• Postal
  • Zip plus 4 http://www.usps.com/ncsc/lookups/lookups.htm
    
  • PackTrack (track packages) http://www.packtrack.com/
• Telephone
  • Anywho http://www.anywho.com/
    
  • Bigfoot http://www.bigfoot.com/
    
  • InfoSpace http://www.infospace.com/info.zip/
    
  • Internet 800 Directory http://inter800.com/
    
  • Infobel (worldwide phone directories) http://www.infobel.com/teldir/
    
  • Reverse Phone Directory http://www.reversephonedirectory.com/
    
  • World Pages http://search.worldpages.com/bin/cgidir.dll?MEM=288
• Other
  • MelissaData Free Online Lookups http://www.melissadata.com/Lookups/index.htm

• ASAE Directory of Associations Online http://www.asaenet.org/cda/asae/associations_search/1,3200,MEN3,00.html