(redirected from Fixed Dialing Number)
FDNFredonia (Amtrak station code; Fredonia, NY)
FDNFunctional Diagnostic Nutrition (certification course)
FDNFamily Dinner Night (various organizations)
FDNFault Discrimination Network
FDNFixed Dialing Numbers
FDNFully Distinguished Name
FDNFrench Data Network (France; est. 1992)
FDNFixed Dialing Number (telecommunications)
FDNFuerza Democratica Nicaraguense (Nicaraguan Democratic Force)
FDNFlorida Digital Network
FDNFreedom Data Networks (Hitachi)
FDNFichier Dosimétrique National (French: National Dose Registry; Canada)
FDNFinal Demand Notice (debt collection)
FDNFluor Daniel Northwest Inc.
FDNFree Dialed Number
FDNFuture Digital Network
FDNFonds de Développement National (French: National Development Fund)
References in periodicals archive ?
5G allows cost-saving limitation of phone numbers using Fixed Dialing Numbers (FDN), restricting outgoing calls to only listed numbers.