Telephone numbers in Austria have no standard lengths for either area codes or subscriber numbers, meaning that some subscriber numbers may be as short as three digits. Larger towns have shorter area codes permitting longer subscriber numbers in that area.

Examples of lengths of telephone numbers Prefix Service type 00 International call prefix 112 General emergency number 118 xxx Directory assistance services 122 Fire brigade 133 Police 140 Mountain rescue 144 Ambulance 147 Telephone counselling for children (Rat auf Draht) 15xx General information services (time etc.) 0718 Internet dial-up numbers 0720 Location independent landline numbers 0780 Convergent services with ENUM (VoIP) 0800 National free call 00800 International free call 0804 Internet dial-up numbers 08xx Service numbers 09xx Premium rate

Area codes Prefix code with 0 when dialed within Austria: