Area Code +358-18-(3170...3179999999) located in Ahvenanmaa, more detail is as below. Place International Dialing Code : 358 International Prefix : 00 National Prefix : 0 National Destination Code : 18 Subscriber Number From : 3170 Subscriber Number To : 3179999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 12 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Ålands Telefonandelslag Click here to buy Finland Area Code Database Other Information Language Code : fi (Finnish) Country Number : 246 (Finland) Country Code : FI (Finland) Region Name : Ahvenanmaa Timezone : Europe/Helsinki Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 60.1800 Longitude : 19.9200 ‹ previous : +358-18-(3160...3169999999) next › : +358-18-(3180...3189999999) Dialling Instructions For trunk calls: 0 18 3170 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 358 18 3170 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3170 ~ 3179999999 (Count: 3,179,996,830) Example: +358-18-0000003170 / 00358-18-0000003170 (018-0000003170 / 0-18-0000003170) +358-18-0000003171 / 00358-18-0000003171 (018-0000003171 / 0-18-0000003171) +358-18-0000003172 / 00358-18-0000003172 (018-0000003172 / 0-18-0000003172) +358-18-0000003173 / 00358-18-0000003173 (018-0000003173 / 0-18-0000003173) +358-18-0000003174 / 00358-18-0000003174 (018-0000003174 / 0-18-0000003174) ...+358-18-xxxxxxxxxx / 00358-18-xxxxxxxxxx (018-xxxxxxxxxx / 0-18-xxxxxxxxxx) ...+358-18-3179999995 / 00358-18-3179999995 (018-3179999995 / 0-18-3179999995) +358-18-3179999996 / 00358-18-3179999996 (018-3179999996 / 0-18-3179999996) +358-18-3179999997 / 00358-18-3179999997 (018-3179999997 / 0-18-3179999997) +358-18-3179999998 / 00358-18-3179999998 (018-3179999998 / 0-18-3179999998) +358-18-3179999999 / 00358-18-3179999999 (018-3179999999 / 0-18-3179999999)