- TFN
TFN is a three-letter abbreviation that can mean:
*The Fight Network MMA digital cable television channel
*Tenerife North Airport (Los Rodeos) itsIATA airport code
*Tax File Number , issued by the Australian Taxation Office
* Thanks for Nothing
* Till Further Notice (until further notice), meaning, "Until a future point in time that I may or may not inform you about." Many times used on a sign in the phrase, "Closed Till Further Notice" saying that a business is closed until they tell you otherwise.
* TheFootball Network , a cable TV channel based in Baton Rouge, Louisiana
*TheForce.Net
*Tribe Flood Network , a DDoS tool
*Toll free number , A telephone number you can call in for free within certain area, usually a country.
*Taipan Financial News , a news service of theTaipan Publishing Group
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