Area Code +358-9-(1230...1239999999) located in Uusimaa Helsinki, more detail is as below. Place International Dialing Code : 358 International Prefix : 00 National Prefix : 0 National Destination Code : 9 Subscriber Number From : 1230 Subscriber Number To : 1239999999 National Destination Code Length : 1 Uses National Destination Code : Yes National Significant Number Length : 11 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Elisa Oyj Click here to buy Finland Area Code Database Other Information Language Code : fi (Finnish) Country Number : 246 (Finland) Country Code : FI (Finland) Region Name : Uusimaa Helsinki Timezone : Europe/Helsinki Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 5 Latitude : 60.1700 Longitude : 24.9400 ‹ previous : +358-9-(1220...1229999999) next › : +358-9-(1250...1259999999) Dialling Instructions For trunk calls: 0 9 1230 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 358 9 1230 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1230 ~ 1239999999 (Count: 1,239,998,770) Example: +358-9-0000001230 / 00358-9-0000001230 (09-0000001230 / 0-9-0000001230) +358-9-0000001231 / 00358-9-0000001231 (09-0000001231 / 0-9-0000001231) +358-9-0000001232 / 00358-9-0000001232 (09-0000001232 / 0-9-0000001232) +358-9-0000001233 / 00358-9-0000001233 (09-0000001233 / 0-9-0000001233) +358-9-0000001234 / 00358-9-0000001234 (09-0000001234 / 0-9-0000001234) ...+358-9-xxxxxxxxxx / 00358-9-xxxxxxxxxx (09-xxxxxxxxxx / 0-9-xxxxxxxxxx) ...+358-9-1239999995 / 00358-9-1239999995 (09-1239999995 / 0-9-1239999995) +358-9-1239999996 / 00358-9-1239999996 (09-1239999996 / 0-9-1239999996) +358-9-1239999997 / 00358-9-1239999997 (09-1239999997 / 0-9-1239999997) +358-9-1239999998 / 00358-9-1239999998 (09-1239999998 / 0-9-1239999998) +358-9-1239999999 / 00358-9-1239999999 (09-1239999999 / 0-9-1239999999)